[clang] [PAC][clang] Add new features to pauthtest ABI (PR #113150)

[Anton Korobeynikov via cfe-commits]

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

I believe these are fine. The options are already here, this does not add new ones, it just forwards the existing ones to the pauth on ELF logic (the other existing uses were in Darwin part of the driver)

https://github.com/llvm/llvm-project/pull/113150