[clang] [llvm] [Clang][PowerPC] Add DMF crypto builtins for extended mnemonics (PR #185961)

[Lei Huang via cfe-commits]

lei137 wrote:

> > Please separate the bug fixes and and renaming to a separate PR.
> 
> what bug fix? These are all the same category, I am not sure why you ask for a separate PR for renaming?

Yes, would be good if the renaming can be a separate PR from adding new builtins.  Plus this seems to be fixing some issue in the existing builtin def?
https://github.com/llvm/llvm-project/pull/185961/changes#diff-3b77c9e3513efe52db2f4cd13aef6b1576c5a943a6378064ca16ad4c261d6cbeL1128

https://github.com/llvm/llvm-project/pull/185961