[llvm] AMDGPU: Use reportFatalUsageError for LDS mixed absolute addresses (PR #145135)

[Jon Chesterfield via llvm-commits]

JonChesterfield wrote:

Thanks. Was thinking about this last night, I probably need to change the setup to tolerate running arbitrary numbers of times with arbitrary interleaving, as the documented "run once at codegen" requirement is being extensively ignored.

https://github.com/llvm/llvm-project/pull/145135