[Inductor] support channel last for xpu conv in inductor layout opt path (#111018)
# Motivation
support xpu channel last for inductor layout optimization path.
Currently, `_conv_determine_backend_memory_format` always returns torch.contiguous_format for XPU conv.
# Solution
Add xpu channel last detection stragey in `determine_backend_memory_format`
Pull Request resolved: https://github.com/pytorch/pytorch/pull/111018
Approved by: https://github.com/jansel, https://github.com/eellison, https://github.com/EikanWang
