[model] Support Kimi_VL thinking/instruct (#7719)

* add kimi_vl

* patch config

* check version

* Update mm_plugin.py

* Update mm_plugin.py

---------

Co-authored-by: hoshi-hiyouga <hiyouga@buaa.edu.cn>

src/llamafactory/model/patcher.py

@@ -117,6 +117,10 @@ def patch_config(
         setattr(config, "init_audio", True)
         setattr(config, "init_tts", False)
 
+    # replace the top-k gating method
+    if getattr(config, "model_type", None) == "kimi_vl" and is_trainable:
+        setattr(config.text_config, "topk_method", "greedy")
+
     if "LlavaLlamaForCausalLM" in getattr(config, "architectures", []):
         raise ValueError("Please download llava models with hf-compatible format: https://huggingface.co/llava-hf")