[clang] [compiler-rt] [llvm] [PGO][Offload] Allow PGO flags to be used on GPU targets (PR #94268)

[Ethan Luis McDonough via llvm-commits]

EthanLuisMcDonough wrote:

This patch should disable PGO on nvidia targets: https://github.com/llvm/llvm-project/pull/133522. I'll merge it after I'm done running some tests

https://github.com/llvm/llvm-project/pull/94268