[llvm] [openmp] Reland: [OpenMP] Implement omp_get_uid_from_device() / omp_get_device_from_uid() (PR #168554)

[Robert Imschweiler via llvm-commits]

ro-i wrote:

@luporl thanks for reporting! Should be fixed by https://github.com/llvm/llvm-project/pull/170999

https://github.com/llvm/llvm-project/pull/168554