[llvm] [openmp] [OpenMP] Fix target data region codegen being omitted for device pass (PR #85218)

[Sergio Afonso via llvm-commits]

skatrak wrote:

Thanks Akash, it looks ok for me as well, but I'm missing one OMPIRBuilder test to check not just the overall behavior but also the IR produced (llvm/unittests/Frontend/OpenMPIRBuilderTest.cpp).

https://github.com/llvm/llvm-project/pull/85218