inductor: add conv+hardsigmoid fusion for cpu path(reland) (#93341)
re-land https://github.com/pytorch/pytorch/pull/91433.
The internal ideep upgrade issue is resolved at https://github.com/pytorch/pytorch/pull/92239.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/93341
Approved by: https://github.com/jgong5, https://github.com/desertfire, https://github.com/jansel
