Move lit_llama and variants to canary_models (#1761)
Summary:
Signed-off-by: Edward Z. Yang <ezyang@meta.com>
Pull Request resolved: https://github.com/pytorch/benchmark/pull/1761
Reviewed By: xuzhao9
Differential Revision: D47338503
Pulled By: ezyang
fbshipit-source-id: b6dc4a1c49bab1436c2310c63923dad40c7af766
