Search for static OpenBLAS compiled with OpenMP (#59428)
Summary:
Before that, only dynamically linked OpenBLAS compield with OpenMP could
be found.
Also get rid of hardcoded codepath for libgfortran.a in FindLAPACK.cmake
Only affects aarch64 linux builds
Pull Request resolved: https://github.com/pytorch/pytorch/pull/59428
Reviewed By: agolynski
Differential Revision: D28891314
Pulled By: malfet
fbshipit-source-id: 5af55a14c85ac66551ad2805c5716bbefe8d55b2
