CLVP Fixes
Author: susnato
Pull request: yes

# What does this PR do?

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This PR fixes one problem in the rotary embedding implementation, adds an argument to the `ClvpModelForConditionalGeneration.generate` and adds necessary fixes to the test logits. 


## Before submitting
- [ ] This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
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- [ ] Did you write any new necessary tests?


## Who can review?

Anyone in the community is free to review the PR once the tests have passed. Feel free to tag
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Models:

- text models: @ArthurZucker and @younesbelkada
- vision models: @amyeroberts
- speech models: @sanchit-gandhi
- graph models: @clefourrier

Library:

- flax: @sanchit-gandhi
- generate: @gante
- pipelines: @Narsil
- tensorflow: @gante and @Rocketknight1
- tokenizers: @ArthurZucker
- trainer: @muellerzr and @pacman100

Integrations:

- deepspeed: HF Trainer/Accelerate: @pacman100
- ray/raytune: @richardliaw, @amogkam
- Big Model Inference: @SunMarc
- quantization (bitsandbytes, autogpt): @SunMarc and @younesbelkada

Documentation: @stevhliu and @MKhalusova

HF projects:

- accelerate: [different repo](https://github.com/huggingface/accelerate)
- datasets: [different repo](https://github.com/huggingface/datasets)
- diffusers: [different repo](https://github.com/huggingface/diffusers)
- rust tokenizers: [different repo](https://github.com/huggingface/tokenizers)

Maintained examples (not research project or legacy):

- Flax: @sanchit-gandhi
- PyTorch: See Models above and tag the person corresponding to the modality of the example.
- TensorFlow: @Rocketknight1

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 @ArthurZucker, @amyeroberts  


Comments:
Hi @amyeroberts, @ArthurZucker, I have worked on the comments and added the logic to add `bos` and `eos` tokens according to this [comment](https://github.com/huggingface/transformers/pull/27547#discussion_r1399547566).  

Please let me know if you are Ok with this change.

Hi @ArthurZucker, I have pushed the changes. 

Thanks you again for going the extra mile and fixing this! 🔥 

Hey, it's always a pleasure to contribute! :raised_hands: 

The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/transformers/pr_27547). All of your documentation changes will be reflected on that endpoint.