[clang] [clang] Separate Intel ADC instrinsics from ADX intrinsics (PR #75992)

[Max Winkler via cfe-commits]

MaxEW707 wrote:

> Thanks @MaxEW707 ! I don't have other comments now. Do you need help to merge it for you?

Thanks for the review :). I don't have commit access so we need someone to commit the PR for me.

https://github.com/llvm/llvm-project/pull/75992