Add Fast Image Processor for Chameleon (#37140)

* Add Fast Image Processor for Chameleon

* add warning to resize and move blend_rgba to convert_to_rgb

* Remove unrelated files

* Update image_processing_chameleon_fast to use auto_docstring

* fix equivalence test

---------

Co-authored-by: Yoni Gozlan <74535834+yonigozlan@users.noreply.github.com>
Co-authored-by: yonigozlan <yoni.gozlan@huggingface.co>

docs/source/en/model_doc/chameleon.md

@@ -191,6 +191,11 @@ model = ChameleonForConditionalGeneration.from_pretrained(
 [[autodoc]] ChameleonImageProcessor
     - preprocess
 
+## ChameleonImageProcessorFast
+
+[[autodoc]] ChameleonImageProcessorFast
+    - preprocess
+
 ## ChameleonVQVAE
 
 [[autodoc]] ChameleonVQVAE