adapt voxtral (#31095)

Signed-off-by: Patrick von Platen <patrick.v.platen@gmail.com>

vllm/config/model.py

@@ -1542,6 +1542,10 @@ class ModelConfig:
     def is_multimodal_raw_input_only_model(self) -> bool:
         return self._model_info.supports_multimodal_raw_input_only
 
+    @property
+    def requires_raw_input_tokens(self) -> bool:
+        return self._model_info.requires_raw_input_tokens
+
     @property
     def is_cross_encoder(self) -> bool:
         return (