[clang] [flang] [Clang][Driver][fveclib] Fix target parsing for -fveclib=AMDLIBM option (PR #140544)

[Rohit Aggarwal via cfe-commits]

rohitaggarwal007 wrote:

> @rohitaggarwal007 please can you edit the summary to briefly describe the fix

Done, Update the summary.

https://github.com/llvm/llvm-project/pull/140544