[llvm] [cmake] Add symbolic links for MSVC libraries (PR #106710)

[Mike Hommey via llvm-commits]

glandium wrote:

> Can we just generalize and reuse the `generate_winsdk_lib_symlinks` function instead of adding a new function for the msvc libs?

That wouldn't simplify much, as the symlinks are very different from the ones generate_winsdk_lib_symlinks creates. It would also add a ton of useless symlinks for the windows SDK.

https://github.com/llvm/llvm-project/pull/106710