[clang] [Clang] Forward -rpath flag to the correct format in CPU offloading (PR #95763)

[Joseph Huber via cfe-commits]

jhuber6 wrote:

If you really need this, perhaps you can check if the Triple will invoke the fallback toolchain or something? Would be a lack of vendor in the Triple.

https://github.com/llvm/llvm-project/pull/95763