[JIT] add support for torch.norm (#33783)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/33783
Fix for https://github.com/pytorch/pytorch/issues/20113
Test Plan: Imported from OSS
Differential Revision: D20121917
Pulled By: eellison
fbshipit-source-id: ffedcc40678cd80f5529ff9323088eed544e5158
