Add workflow on AWS C5 24xlarge (#1637)
Summary:
This is for running the "cpu" userbenchmark.
Test workflow:
https://github.com/pytorch/benchmark/actions/runs/4949732638/jobs/8852320232?pr=1637
Pull Request resolved: https://github.com/pytorch/benchmark/pull/1637
Reviewed By: aaronenyeshi
Differential Revision: D45778886
Pulled By: xuzhao9
fbshipit-source-id: 0fa6df6f0f3bf6e747f29668d814cd822daedc07
