[clang] [Driver] Restore compiler-rt arch suffix for PS and Windows (PR #89775)

[Tobias Hieta via cfe-commits]

tru wrote:

It's been like that for maybe 2-3 years now and no one has complained about it, so I think that change is solid. I can suggest a CMake change, but last time it was discussed I think @maskray was against a new variable, but since we might need to have some different behaviour it might be warrented. 

https://github.com/llvm/llvm-project/pull/89775