### What this PR does / why we need it? To resolve this [patch](https://github.com/vllm-project/vllm-ascend/pull/236/files#diff-43b96b39b5a52fe209d86449ad703a7ff5e1349ebaf1aa12ece8d82163ee5b61R24-R49) , we need to set `torch.compile()` backend to `eager` to disable compile, using default pytorch way. --------- Signed-off-by: shen-shanshan <467638484@qq.com>