Add torch.backends.mha.get_fastpath_enabled to FUNC_INLINELIST (#118979)
Summary: Add torch.backends.mha.get_fastpath_enabled to FUNC_INLINELIST
Test Plan: See the one in D53154041
Reviewed By: yjhao, yanboliang, Yuzhen11
Differential Revision: D53154041
Pull Request resolved: https://github.com/pytorch/pytorch/pull/118979
Approved by: https://github.com/yanboliang
