add channels last (2d) support for mkldnn_convolution (#55584)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/55584
Test Plan: Imported from OSS
Reviewed By: albanD
Differential Revision: D27941368
Pulled By: VitalyFedyunin
fbshipit-source-id: 7dd6f02a5787efa1995f31cdbd3244b25653840c
(cherry picked from commit bb555ed0fedafd529cb552807326384e95c90df9)
