[clang] [flang] [clang][driver] Fix -fveclib=ArmPL issue: with -nostdlib do not link against libm (PR #133578)

[Joseph Huber via cfe-commits]

https://github.com/jhuber6 approved this pull request.

I guessing we pass `-lm` twice here to work around `ld.bfd` not handling static libraries in a pleasant way?

https://github.com/llvm/llvm-project/pull/133578