[llvm-branch-commits] [llvm] [clang] Backport [RISCV] Graduate Zicond to non-experimental (#79811) (PR #80018)

[Alex Bradbury via llvm-branch-commits]

asb wrote:

This patch came after the branch, but really it's cleaning up something we should have done a while ago once the extension was ratified at the end of last year.

https://github.com/llvm/llvm-project/pull/80018