add new build settings to torch.__config__ (#48380)
Summary:
many newly added build settings are not saved in torch.__config__. adding them to the mix.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/48380
Reviewed By: samestep
Differential Revision: D25161951
Pulled By: walterddr
fbshipit-source-id: 1d3dee033c93f2d1a7e2a6bcaf88aedafeac8d31
