[Inductor] Support Shape Padding for aten.mm in Inductor (#89086)
Summary: Support shape padding for aten.mm in Inductor (originally from [#88709](https://github.com/pytorch/pytorch/pull/88709))
Differential Revision: D41315078
Pull Request resolved: https://github.com/pytorch/pytorch/pull/89086
Approved by: https://github.com/jianyuh
