[clang] [CUDA][NFC] CudaArch to GpuArch rename (PR #97028)

[Jakub Chlanda via cfe-commits]

jchlanda wrote:

This originally was submitted as a ticket against a fork of llvm in here: https://github.com/intel/llvm/issues/4279

https://github.com/llvm/llvm-project/pull/97028