Add auto model for image-text-to-text (#32472)

* Add Auto model for image-text-to-text

* Remove donut from processing auto, add chameleon ti image text to text models

* add qwen2_vl and llava_onevision

* add pixtral to auto model for image-text-to-text

* add mllama and idefics3

* remove models in IGNORE_NON_AUTO_CONFIGURED

* add AutoModelForImageTextToText to tests and doc

utils/check_repo.py

@@ -170,7 +170,6 @@ IGNORE_NON_AUTO_CONFIGURED = PRIVATE_MODELS.copy() + [
     "ClapTextModelWithProjection",
     "ClapAudioModel",
     "ClapAudioModelWithProjection",
-    "Blip2ForConditionalGeneration",
     "Blip2TextModelWithProjection",
     "Blip2VisionModelWithProjection",
     "Blip2QFormerModel",
@@ -181,7 +180,6 @@ IGNORE_NON_AUTO_CONFIGURED = PRIVATE_MODELS.copy() + [
     "GitVisionModel",
     "GraphormerModel",
     "GraphormerForGraphClassification",
-    "BlipForConditionalGeneration",
     "BlipForImageTextRetrieval",
     "BlipForQuestionAnswering",
     "BlipVisionModel",
@@ -245,7 +243,6 @@ IGNORE_NON_AUTO_CONFIGURED = PRIVATE_MODELS.copy() + [
     "DetrForSegmentation",
     "Pix2StructVisionModel",
     "Pix2StructTextModel",
-    "Pix2StructForConditionalGeneration",
     "ConditionalDetrForSegmentation",
     "DPRReader",
     "FlaubertForQuestionAnswering",
@@ -322,7 +319,6 @@ IGNORE_NON_AUTO_CONFIGURED = PRIVATE_MODELS.copy() + [
     "SeamlessM4TCodeHifiGan",
     "SeamlessM4TForSpeechToSpeech",  # no auto class for speech-to-speech
     "TvpForVideoGrounding",
-    "UdopForConditionalGeneration",
     "SeamlessM4Tv2NARTextToUnitModel",
     "SeamlessM4Tv2NARTextToUnitForConditionalGeneration",
     "SeamlessM4Tv2CodeHifiGan",