[clang] [llvm] [OpenEmbedded] Fix include and lib paths for multilib targets (PR #121302)

[Mike Crowe via llvm-commits]

mikecrowe wrote:

This works, but I'm not sure that it's the best solution. I could teach `parseVendor` to match a prefix of `oeml` rather than hard-coding the two specific multilib types.

https://github.com/llvm/llvm-project/pull/121302