[ROCm] update cmake package DIR paths (#77087)
Fixes nightly libtorch builds. As of ROCm 5.1.x, all *.cmake files are under /opt/rocm/lib/cmake/package instead of /opt/rocm/package/lib/cmake.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/77087
Approved by: https://github.com/seemethere
