Uniformize kwargs for LLaVa processor and update docs

[yonigozlan]

What does this PR do?

Adds uniformized processors kwargs following https://github.com/huggingface/transformers/issues/31911 for LLaVa

Before submitting

• [ ] This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
• [x] Did you read the contributor guideline, Pull Request section?
• [ ] Was this discussed/approved via a Github issue or the forum? Please add a link to it if that's the case.
• [x] Did you make sure to update the documentation with your changes? Here are the documentation guidelines, and here are tips on formatting docstrings.
• [x] Did you write any new necessary tests?

Who can review?

@molbap @zucchini-nlp

[HuggingFaceDocBuilderDev]

The docs for this PR live here. All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.

[yonigozlan]

Now that https://github.com/huggingface/transformers/pull/33385 has been merged, this should be ready for review!