[clang] [ToolChains][FreeBSD] Set default Linker to LLD for FreeBSD (PR #190596)

[via cfe-commits]

aokblast wrote:

> What is the motivation for this? We have been installing LLD as ld on FreeBSD for about ten years, setting the default to ld.lld seems like it will make it harder to move to a different linker in the future for no benefit.

What about setting the defaultLinker to /usr/bin/ld?

https://github.com/llvm/llvm-project/pull/190596