Add support for phi-3 models

[Whadup]

What does this PR do?

This PR addresses https://github.com/huggingface/optimum/issues/1826 and adds phi-3 support to the normalized config.

Fixes # (issue)

Before submitting

• [ ] This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
• [ ] Did you make sure to update the documentation with your changes?
• [ ] Did you write any new necessary tests?

Who can review?

@fxmarty, @echarlaix, @JingyaHuang, @michaelbenayoun