[clang] Pass -offload-lto instead of -lto for cuda/hip kernels (PR #125243)

[Joseph Huber via cfe-commits]

https://github.com/jhuber6 commented:

You can use `-flto` for the NVPTX target, https://godbolt.org/z/MYf6cc6e3.

https://github.com/llvm/llvm-project/pull/125243