Signed-off-by: Nicolas Brunie <82109999+nibrunieAtSi5@users.noreply.github.com>

- Update extern/riscv-compliance -> extern/riscv-arch-test to reflect
  change of upstream repository name. Also bump to latest commit with
  Imperas tests merged.

- Bump extern/sail-riscv to latest commit.

- Remove very old and redundant compliance test generator tools. They have
  all been supersceeded.

- Pointers/explanations in README.

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 Changes to be committed:
	modified:   .gitmodules
	modified:   README.md
	new file:   extern/riscv-arch-test
	deleted:    extern/riscv-compliance
	modified:   extern/sail-riscv
	modified:   tests/compliance/Makefile
	modified:   tests/compliance/README.md
	deleted:    tests/compliance/generate_tests.py
	deleted:    tests/compliance/riscv-compliance.patch
	deleted:    tests/compliance/test_template.S
	deleted:    tests/kat-gen/Makefile
	deleted:    tests/kat-gen/README.md
	deleted:    tests/kat-gen/kat_gen.c
	deleted:    tests/kat-gen/kat_gen.h
	deleted:    tests/kat-gen/main_sail.c
	deleted:    tests/kat-gen/main_spike.c
	deleted:    tests/kat-gen/sail.S
	deleted:    tests/kat-gen/sail.ld

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	modified:   extern/riscv-gnu-toolchain (modified content)
	modified:   extern/riscv-isa-sim (untracked content)

 Untracked files:
	doc/supp/entropy-source-bd.png
	doc/supp/entropy-source-verification.adoc

- Spike and riscv-opcodes now point to the latest official upstream versions
  of the repositories, not a private fork.

- This wasn't the case before since we were waiting for two pull requests
  to be merged:
  - riscv/riscv-isa-sim#649
  - riscv/riscv-opcodes#63

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	modified:   .gitmodules
	modified:   README.md
	modified:   extern/riscv-isa-sim
	modified:   extern/riscv-opcodes

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	modified:   extern/riscv-compliance (modified content)
	modified:   extern/riscv-gnu-toolchain (modified content)

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	modified:   extern/riscv-isa-sim

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	modified:   README.md
	modified:   bin/parse_opcodes.py
	modified:   tools/README.md
	new file:   tools/gcc-patch-tasks.adoc

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	modified:   extern/riscv-compliance (modified content)
	modified:   extern/riscv-gnu-toolchain (modified content)
	modified:   extern/riscv-isa-sim (modified content)
	modified:   extern/riscv-opcodes (modified content)
	modified:   extern/sail-riscv (modified content, untracked content)

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	modified:   tests/compliance/README.md
	new file:   tests/compliance/test-plan-scalar.adoc

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	modified:   extern/riscv-compliance (modified content)
	modified:   extern/riscv-gnu-toolchain (modified content)
	modified:   extern/riscv-isa-sim (modified content)
	modified:   extern/sail-riscv (modified content, untracked content)

- Change kat-gen to use the inbuilt SAIL executables.

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	modified:   README.md
	new file:   sail/Makefile
	new file:   sail/README.md
	new file:   sail/sail-riscv.patch
	new file:   sail/setup-sail.sh
	modified:   tests/kat-gen/Makefile
	modified:   tests/kat-gen/README.md

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	modified:   extern/riscv-gnu-toolchain (modified content)
	modified:   extern/riscv-isa-sim (modified content)
	modified:   extern/sail-riscv (modified content, untracked content)

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	modified:   README.md

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	modified:   extern/riscv-gnu-toolchain (modified content)
	modified:   extern/riscv-isa-sim (modified content)

- github.com/scarv/* -> github.com/riscv/*

- See #25

 On branch dev/repo-move
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	modified:   README.md
	modified:   doc/README.md
	modified:   doc/riscv-crypto-spec.bib
	modified:   doc/riscv-crypto-spec.sty
	modified:   doc/supp/fusion.adoc
	modified:   doc/supp/vector-clmul-rfc.md
	modified:   doc/tex/appx-benchmarking.tex

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	modified:   extern/riscv-gnu-toolchain (modified content)
	modified:   extern/riscv-isa-sim (modified content)

Link to project board.

- Re-written instruction RTL and built "dropin" example FU.

- Parameterised for RV32/64 and whether different instructions are
  included or not.

- Formal checkers for lut4 and aes. Others TBD.

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 Changes to be committed:
	modified:   README.md
	modified:   rtl/Makefile
	modified:   rtl/README.md
	new file:   rtl/crypto-fu/Makefile.in
	new file:   rtl/crypto-fu/riscv_crypto_fu.v
	new file:   rtl/crypto-fu/riscv_crypto_fu_aes_mix_columns.v
	new file:   rtl/crypto-fu/riscv_crypto_fu_lut4.v
	new file:   rtl/crypto-fu/riscv_crypto_fu_saes32.v
	new file:   rtl/crypto-fu/riscv_crypto_fu_saes64.v
	new file:   rtl/crypto-fu/riscv_crypto_fu_sboxes.v
	new file:   rtl/crypto-fu/riscv_crypto_fu_sm3.v
	new file:   rtl/crypto-fu/riscv_crypto_fu_ssha256.v
	new file:   rtl/crypto-fu/riscv_crypto_fu_ssha512.v
	new file:   rtl/crypto-fu/riscv_crypto_fu_ssm4.v
	new file:   rtl/crypto-fu/tb_checker_lut4_rv32.v
	new file:   rtl/crypto-fu/tb_checker_saes.vh
	new file:   rtl/crypto-fu/tb_checker_saes32.v
	new file:   rtl/crypto-fu/tb_checker_saes64.v
	new file:   rtl/crypto-fu/tb_riscv_crypto_fu.v
	new file:   rtl/crypto-fu/verify.sby

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	modified:   extern/riscv-gnu-toolchain (modified content)
	modified:   extern/riscv-isa-sim (modified content)

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	new file:   doc/README.md
	new file:   doc/supplementary-info.adoc

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	modified:   extern/riscv-isa-sim (modified content)

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	modified:   rtl/Makefile
	new file:   rtl/README.md

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	modified:   benchmarks/README.md

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	new file:   benchmarks/README.md

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 Changes to be committed:
	modified:   README.md
	new file:   tools/README.md
	new file:   tools/build-all.sh
	new file:   tools/build-binutils.sh
	new file:   tools/build-gcc.sh
	new file:   tools/build-newlib.sh
	new file:   tools/build-pk.sh
	new file:   tools/build-spike.sh
	new file:   tools/clone-repos.sh
	new file:   tools/common.sh

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	new file:   .gitignore
	new file:   Makefile
	modified:   README.md
	new file:   bin/conf.sh
	new file:   doc/Makefile
	new file:   doc/riscv-crypto-spec.bib
	new file:   doc/riscv-crypto-spec.sty
	new file:   doc/riscv-crypto-spec.tex
	new file:   doc/tex/contributors.tex
	new file:   doc/tex/sec-intro.tex
	new file:   doc/tex/sec-randombit.tex
	new file:   doc/tex/sec-scalar.tex
	new file:   doc/tex/sec-vector.tex