OpInfo: mvlgamma (#56907)
Summary:
Reference: https://github.com/pytorch/pytorch/issues/42515
Pull Request resolved: https://github.com/pytorch/pytorch/pull/56907
Reviewed By: astaff
Differential Revision: D28118669
Pulled By: mruberry
fbshipit-source-id: f54ad6dc64ddb6bcfca5c5c7fd8f395cd9761128
