Fix precision errors from casting rotary parameters to FP16 with AMP (#27700)
* Update modeling_llama.py
* Update modeling_open_llama.py
* Update modeling_gpt_neox.py
* Update modeling_mistral.py
* Update modeling_persimmon.py
* Update modeling_phi.py
* Update modeling_falcon.py
* Update modeling_gpt_neox_japanese.py