[clang] [clang-cl] [Driver] Fix clang-cl driver supported colon options (PR #88216)

[Reid Kleckner via cfe-commits]

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

Thank you for polishing this corner of the driver interface! It's interesting that they have an alternative separate spelling. I always felt like the `/Fopath.cpp` pattern was a bit unreadable.

https://github.com/llvm/llvm-project/pull/88216