[llvm] [openmp] [OpenMP][Offload] Support standalone build (PR #88957)

[Saiyedul Islam via llvm-commits]

saiislam wrote:

Thanks @jhuber6 for the detailed review and @estewart08 for working on the patch.

@jdoerfert latest patch is much smaller and cleaner, and should be easy to squash with your patch.

https://github.com/llvm/llvm-project/pull/88957