[Device]Support npu (#6159)

* support npu

* support pretrain

support pretrain

fix

* support lora

fix

fix

* support chatglm

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fxi

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* Update train.py

* Update train.py

* fix

* fix

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colossalai/pipeline/schedule/one_f_one_b.py

@@ -2,7 +2,6 @@ from functools import partial
 from typing import Any, Callable, Dict, Iterable, List, Optional, Union
 
 import torch
-import torch.cuda
 from torch.nn import Module
 from torch.utils._pytree import tree_map