Support fused_dropout with XPU backend (#60231)
Summary:
## Motivation
Enable the fused dropout optimization on XPU devices.
## Solution
Add XPU device in the fused dropout acceptable checking.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/60231
Reviewed By: jbschlosser
Differential Revision: D29437659
Pulled By: ezyang
fbshipit-source-id: b77245bb53d3ac93ab30a2a85994376ae5928c34
