[clang] [llvm] [clang][OpenMP][SPIR-V] Fix addrspace of global constants (PR #134399)

[Nick Sarnie via cfe-commits]

sarnex wrote:

@alexfh FYI I expect the problem is in LLVM and not the translator, but it's not that this change is totally wrong it's just a missed case as the goal of this commit was to add the address space, not remove it.

https://github.com/llvm/llvm-project/pull/134399