convert : add Llama4ForCausalLM

Author: ngxson

convert_hf_to_gguf.py

@@ -2393,7 +2393,10 @@ def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iter
         return [] # skip other tensors
 
 
-@ModelBase.register("Llama4ForConditionalGeneration")
+@ModelBase.register(
+    "Llama4ForConditionalGeneration",
+    "Llama4ForCausalLM",
+)
 class Llama4Model(LlamaModel):
     model_arch = gguf.MODEL_ARCH.LLAMA4
     undo_permute = False