Submodule changed

[AlpherJang]

There need to change submodule name in riscv-gnu-toolchain, that "riscv-binutils" has changed to "binutils"

[brandaogbs]

While we don't have the official fix, you can try the solution I've reported on riscv-collab/riscv-gnu-toolchain/issues/1117#issuecomment-1229446707

[sbeamer]

Fixed by https://github.com/riscv-software-src/homebrew-riscv/pull/91