[clang] [flang] [clang][Driver] Add the ability to specify that RPATH should be added by default (PR #115163)

[Paul Osmialowski via cfe-commits]

pawosm-arm wrote:

We worked out this patch just because we dropped the idea of adding configuration file to our toolchain and for no other reason...

https://github.com/llvm/llvm-project/pull/115163