[Trainer] Allow passing image processor (#29896)

* Add image processor to trainer

* Replace tokenizer=image_processor everywhere

examples/pytorch/image-pretraining/run_mae.py

@@ -369,7 +369,7 @@ def main():
         args=training_args,
         train_dataset=ds["train"] if training_args.do_train else None,
         eval_dataset=ds["validation"] if training_args.do_eval else None,
-        tokenizer=image_processor,
+        image_processor=image_processor,
         data_collator=collate_fn,
     )
 

examples/pytorch/image-pretraining/run_mim.py

@@ -458,7 +458,7 @@ def main():
         args=training_args,
         train_dataset=ds["train"] if training_args.do_train else None,
         eval_dataset=ds["validation"] if training_args.do_eval else None,
-        tokenizer=image_processor,
+        image_processor=image_processor,
         data_collator=collate_fn,
     )