[llvm] [NVPTX] Fix ptxas requirements (PR #171219)

[Drew Kersnar via llvm-commits]

dakersnar wrote:

This line specifically: https://github.com/llvm/llvm-project/pull/171220/files#diff-5edb4f2e850369cccfb090e314d00d6aa4f9887da10dcac0475247c65eb7318dR55

https://github.com/llvm/llvm-project/pull/171219