Fix patcher name

Author: mvafin

optimum/exporters/openvino/model_configs.py

@@ -610,7 +610,7 @@ class BitnetOpenVINOConfig(LlamaOnnxConfig):
     def patch_model_for_export(
         self, model: Union["PreTrainedModel", "TFPreTrainedModel"], model_kwargs: Optional[Dict[str, Any]] = None
     ) -> "ModelPatcher":
-        return LlamaModelPatcher(self, model, model_kwargs=model_kwargs)
+        return OVDecoderModelPatcher(self, model, model_kwargs=model_kwargs)
 
 
 @register_in_tasks_manager(