[Bugfix] Fixes MiniCPM-O resampler device placement to avoid tensor device mismatch (#42332)

Signed-off-by: j9smith <j.smith9103@outlook.com>

vllm/model_executor/models/minicpmo.py

@@ -719,7 +719,9 @@ class MiniCPMOBaseModel:
 
     def load_weights(self, weights: Iterable[tuple[str, torch.Tensor]]) -> set[str]:
         loader = AutoWeightsLoader(self, skip_prefixes=["tts"])
-        return loader.load_weights(weights)
+        loaded = loader.load_weights(weights)
+        self._ensure_resampler_device()
+        return loaded
 
     def subsequent_chunk_mask(
         self,