[clang] [StackProtector] Do not emit the stack protector on GPU architectures (PR #70799)

[Eli Friedman via cfe-commits]

efriedma-quic wrote:

Is there some reason stack protectors don't make sense on GPU targets?  Or is the issue just that the GPU targets in question don't have the necessary runtime support?

https://github.com/llvm/llvm-project/pull/70799