[clang] [flang] [llvm] [clang][flang][Triple][llvm] Add isOffload function to LangOpts and isGPU function to Triple (PR #126956)

[Harald van Dijk via llvm-commits]

hvdijk wrote:

I did include "as non-SPIR-V SYCL targets need the same handling" already in my first comment, so not sure why it gets that strong immediate reaction that ignores that part of it.

https://github.com/llvm/llvm-project/pull/126956