[clang] [clang] [MinGW] Don't look for a GCC in path if the install base has a proper mingw sysroot (PR #76949)

[Jacek Caban via cfe-commits]

cjacek wrote:

Looks mostly good to me, but I wonder if we should change testTriple as well.

https://github.com/llvm/llvm-project/pull/76949