Add `riscv-peripheral` crate

Publish latest riscv-rt patch on crates.io

Avoid spurious errors from LLVM

Release new versions

lib: update dependency embedded-hal to 1.0.0

Signed-off-by: jakezhu9 <zjx1319@hust.edu.cn>

`riscv-rt`: add links to Cargo.toml

`riscv-semihosting`: bug fixes

Co-authored-by: Taiki Endo <te316e89@gmail.com>

add `riscv-semihosting`

`riscv`: ECALL and nested interrupts

`riscv`: support for S-mode

`riscv-rt`: Implement FPU initialization

`riscv-rt`: clean linker script