[lld] [lld][COFF] Add per-target runtime directories to library search path (PR #227744)

[Tomohiro Kashiwada via llvm-commits]

kikairoya wrote:

What happens when you try to link for another non-mingw COFF target, like UEFI? I suspect that lld-link incorrectly selects the runtime for windows-msvc.

https://github.com/llvm/llvm-project/pull/227744