[clang] [docs][OpenMP] Update support doc with the planned/in-progress pointer-attachment work. (PR #163908)

[Julian Brown via cfe-commits]

jtb20 wrote:

Hi @abhinavgaba -- the "in progress" was because I was planning to work on that feature, but it didn't make sense to do so while your pointer-attachment work is ongoing. It makes sense for you to take ownership of the ref modifier feature also, I think.

Thank you!

https://github.com/llvm/llvm-project/pull/163908