Add OPENSSL_ROOT_DIR to cmake.py (#56846)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/56846
Test Plan: Imported from OSS
Reviewed By: SplitInfinity
Differential Revision: D27992923
Pulled By: pbelevich
fbshipit-source-id: dc2d26d4bc9d17a5da441ae4db8241609ca97c6e