CV32E40Pv2 Update SIMD Instructions and Test

	* opcodes/riscv-opc.c: Corrected SIMD instructions to unsigned.
	* gas/testsuite/gas/riscv/cv-simd-and-sci-b-fail.l: Modified SIMD
	  tests to match unsigned specifcation.
	* gas/testsuite/gas/riscv/cv-simd-and-sci-b-fail.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-and-sci-b-pass.d: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-and-sci-b-pass.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-and-sci-h-fail.l: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-and-sci-h-fail.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-and-sci-h-pass.d: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-and-sci-h-pass.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-extract-b-fail.l: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-extract-b-fail.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-extract-b-pass.d: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-extract-b-pass.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-extract-h-fail.l: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-extract-h-fail.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-extract-h-pass.d: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-extract-h-pass.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-extractu-b-fail.l: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-extractu-b-fail.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-extractu-b-pass.d: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-extractu-b-pass.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-extractu-h-fail.l: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-extractu-h-fail.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-extractu-h-pass.d: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-extractu-h-pass.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-insert-b-fail.l: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-insert-b-fail.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-insert-b-pass.d: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-insert-b-pass.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-insert-h-fail.l: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-insert-h-fail.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-insert-h-pass.d: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-insert-h-pass.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-or-sci-b-fail.l: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-or-sci-b-fail.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-or-sci-b-pass.d: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-or-sci-b-pass.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-or-sci-h-fail.l: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-or-sci-h-fail.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-or-sci-h-pass.d: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-or-sci-h-pass.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-sll-sci-b-fail.l: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-sll-sci-b-fail.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-sll-sci-b-pass.d: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-sll-sci-b-pass.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-sll-sci-h-fail.l: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-sll-sci-h-fail.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-sll-sci-h-pass.d: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-sll-sci-h-pass.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-sra-sci-b-fail.l: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-sra-sci-b-fail.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-sra-sci-b-pass.d: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-sra-sci-b-pass.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-sra-sci-h-fail.l: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-sra-sci-h-fail.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-sra-sci-h-pass.d: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-sra-sci-h-pass.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-srl-sci-b-fail.l: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-srl-sci-b-fail.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-srl-sci-b-pass.d: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-srl-sci-b-pass.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-srl-sci-h-fail.l: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-srl-sci-h-fail.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-srl-sci-h-pass.d: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-srl-sci-h-pass.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-xor-sci-b-fail.l: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-xor-sci-b-fail.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-xor-sci-b-pass.d: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-xor-sci-b-pass.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-xor-sci-h-fail.l: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-xor-sci-h-fail.s: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-xor-sci-h-pass.d: Likewise.
	* gas/testsuite/gas/riscv/cv-simd-xor-sci-h-pass.s: Likewise.

Signed-off-by: Nandni Jamnadas <nandni.jamnadas@embecosm.com>