[PyTorch] Add the lazy init call for p2p access function (#1991) (#108589)
Summary: Pull Request resolved: https://github.com/pytorch/FBGEMM/pull/1991
Test Plan: sandcastle
Reviewed By: zdevito
Differential Revision: D48939723
Pull Request resolved: https://github.com/pytorch/pytorch/pull/108589
Approved by: https://github.com/zdevito
