Move math::Axpy function to elementwise lib (#18316)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/18316
Move math::Axpy function to elementwise lib
i-am-not-moving-c2-to-c10
Reviewed By: houseroad
Differential Revision: D14574697
fbshipit-source-id: 7cfbb2da295c8966c5328bd6b577cce2638eea62
