Add OpInfor for `nn.functional.ctc_loss` (#67464)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/67464
Test Plan: Imported from OSS
Reviewed By: jbschlosser
Differential Revision: D32001919
Pulled By: ejguan
fbshipit-source-id: f277a8e9c9887ed62e871e8a0c8549e853e34356