[nnc] Link all available LLVM targets (#58312)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/58312
Test Plan: Imported from OSS
Reviewed By: SplitInfinity
Differential Revision: D28449168
Pulled By: bertmaher
fbshipit-source-id: 4c72f8dbb28d860377dcd19f5934927e7347409a
