[flang] [llvm] [Flang][OpenMP] Additional global address space modifications for device (PR #119585)

[via llvm-commits]

agozillon wrote:

As this PR has the pre-requisite approvals and isn't dependent on any other PR in the stack, is passing the tests (currently) and it turns out there's a broken check-offload test as we're missing a few bits from here I'm going to rebase and land it :-)

https://github.com/llvm/llvm-project/pull/119585