[libcxx-commits] [libcxx] [libcxxabi] [libunwind] [libcxx][CI] Use lld for everything in the ARM picolib builds (PR #158320)

[Nikolas Klauser via libcxx-commits]

https://github.com/philnik777 approved this pull request.

I'm happy with this if it's the preferred way to build things for picolibc.

https://github.com/llvm/llvm-project/pull/158320