[Model][Quant] Fix GLM, Fix fused module mappings for quantization (#12634)

Signed-off-by: mgoin <michael@neuralmagic.com>
Signed-off-by: Kyle Sayers <kylesayrs@gmail.com>
Co-authored-by: mgoin <michael@neuralmagic.com>

vllm/model_executor/layers/quantization/base_config.py

@@ -2,7 +2,7 @@
 
 import inspect
 from abc import ABC, abstractmethod
-from typing import Any, Dict, List, Optional, Type
+from typing import Any, Dict, List, Mapping, Optional, Type
 
 import torch
 from torch import nn
@@ -59,6 +59,7 @@ def method_has_implemented_embedding(
 
 class QuantizationConfig(ABC):
     """Base class for quantization configs."""
+    packed_modules_mapping: Mapping[str, List[str]] = dict()
 
     @abstractmethod
     def get_name(self) -> str: