Added index_put to promotelist (#41035)
Summary:
[index_put](https://pytorch.org/docs/master/tensors.html#torch.Tensor.index_put) requires src and dst tensors to be the same dtype, so imo it belongs on the promote list when autocast is active (output should be widest dtype among input dtypes).
i also put some other registrations in alphabetical order.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/41035
Differential Revision: D22418305
Pulled By: ngimel
fbshipit-source-id: b467cb16ac6c2ba1f9e43531f69a144b17f00b87
