[llvm] [mlir] [openmp] [Flang][OpenMP] Add support for schedule clause for GPU (PR #81618)

[Sergio Afonso via llvm-commits]

https://github.com/skatrak commented:

Thanks Dominik, the OMPIRBuilder changes make sense to me, as well as the MLIR to LLVM IR and the Fortran offloading test. However, I'm not familiar enough with libomptarget to review that part, so I'll leave that to the experts.

https://github.com/llvm/llvm-project/pull/81618