Add meta registration for foreach_maximum_.List (#105864)
Will fix issues compiling for when amsgrad is True for Adam(W), see related failures in https://github.com/pytorch/benchmark/actions/runs/5628705163/job/15252867793
Also did some refactoring where common registrations could be deduplicated.
Test plan:
python test/inductor/test_compiled_optimizers.py -k test_adam
Pull Request resolved: https://github.com/pytorch/pytorch/pull/105864
Approved by: https://github.com/albanD, https://github.com/mlazos
