[clang] [Clang][Driver] Fix `--save-temps` for OpenCL AoT compilation (PR #78333)

[Joseph Huber via cfe-commits]

https://github.com/jhuber6 commented:

You should add a test that checks the output of `-ccc-print-phases` and `-ccc-print-bindings`.

https://github.com/llvm/llvm-project/pull/78333