[clang] [CIR][AArc64] Add lowering for fp16 intrinsics (sqrt + max + min) (PR #207786)

[Andy Kaylor via cfe-commits]

https://github.com/andykaylor approved this pull request.

Now I've reviewed this PR. LGTM, with one note.

https://github.com/llvm/llvm-project/pull/207786