[flang-commits] [flang] [Flang][OpenMP][Docs] Update target-related support in Flang docs, NFC (PR #150443)

[Kareem Ergawy via flang-commits]

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

`loop`-related changes LGTM! Thanks for the updates Sergio!

https://github.com/llvm/llvm-project/pull/150443