Merge pull request riscv-collab#963 from sickcodes/sickcodes-patch-1

Add AUR link: https://aur.archlinux.org/packages/riscv-gnu-toolchain

Merge pull request riscv-collab#960 from cmuellner/build-libc-deps

Fix typo in build-libc dependencies

Merge pull request riscv-collab#959 from riscv-software-src/fix-repo-url

Fix submodule URLs

Merge pull request riscv-collab#937 from Nelson1225/master

Bump binutils to 2.37 release.

Merge pull request riscv-collab#934 from bradjc/patch-1

Add flock to OS X dependencies

Merge pull request riscv-collab#918 from riscv/bump-gcc

Bump gcc to 11.1

Merge pull request riscv-collab#916 from riscv/jimw-binutils-bump

Bump binutils to get rv32e fixes.

Bump riscv-binutils

Merge pull request riscv-collab#875 from riscv/jimw-gcc-bump

Bump gcc for testsuite fixes.

Merge pull request riscv-collab#872 from riscv/bump-glibc

Bump glibc and linux kernel