[clang] [Clang] Make `-Xarch_` handling generic for all toolchains (PR #125421)

[Joseph Huber via cfe-commits]

jhuber6 wrote:

That's fun, well for now I've updated it to not hit that bug and also accept `-Xarch_sm_52 --offload-arch=sm_52` even though it's stupid.

https://github.com/llvm/llvm-project/pull/125421