[clang] [llvm] [SystemZ][z/OS] Add options -m[no-]zos-ppa1-name to remove the function name in PPA1. (PR #207416)

[Ulrich Weigand via cfe-commits]

https://github.com/uweigand commented:

This LGTM once you've resolved the merge conflict and fixed the formatting issue.  Thanks!

https://github.com/llvm/llvm-project/pull/207416