[LoRA] small change to support Hunyuan LoRA Loading for FramePack (#11546)

init

src/diffusers/loaders/peft.py

@@ -57,6 +57,7 @@ _SET_ADAPTER_SCALE_FN_MAPPING = {
     "WanTransformer3DModel": lambda model_cls, weights: weights,
     "CogView4Transformer2DModel": lambda model_cls, weights: weights,
     "HiDreamImageTransformer2DModel": lambda model_cls, weights: weights,
+    "HunyuanVideoFramepackTransformer3DModel": lambda model_cls, weights: weights,
 }