[clang] [Clang][SME2] Add single and multi min and max builtins (PR #71688)

[Sam Tebbs via cfe-commits]

SamTebbs33 wrote:

> FYI I pushed [3a9cc17](https://github.com/llvm/llvm-project/commit/3a9cc17ca088267348e4b4a6e64a88a38ae9c6e4) to hopefully unbreak the build.

Thank you!

https://github.com/llvm/llvm-project/pull/71688