pytorch

8b88c246 - add channels last support for thnn_conv2d (non-dilated) (#49582)

add channels last support for thnn_conv2d (non-dilated) (#49582) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/49582 Test Plan: Imported from OSS Reviewed By: ejguan Differential Revision: D26007050 Pulled By: VitalyFedyunin fbshipit-source-id: 1289e0687c2459dd4eb8e4ba2efc8266397cfe5f