BinUtils: Prefer llvm-mt over mt when compiling with Clang

The problem motivating commit 73d0d4e4b5 (BinUtils: Avoid llvm-mt
because it is missing 'mt' features we use, 2022-03-08, v3.23.0-rc3~7^2)
has been fixed in `llvm-mt` since LLVM/Clang 14.0.2.

Fixes: #26319
Issue: #23305
1 file changed