[Quantization] Fix AWQ supported dtypes, add BF16.

Signed-off-by: menogrey <[email protected]>

Author: menogrey

vllm_ascend/quantization/awq/awq.py

@@ -165,7 +165,7 @@ def get_name(self) -> str:
 
     @classmethod
     def get_supported_act_dtypes(cls) -> List[torch.dtype]:
-        return [torch.half]
+        return [torch.half, torch.bfloat16]
 
     @classmethod
     def get_min_capability(cls) -> int: