change commit for optimum (openvinotoolkit#715)

Author: eaidova

llm_bench/python/requirements.txt

@@ -10,7 +10,7 @@ torch
 transformers>=4.40.0
 diffusers>=0.22.0
 #optimum is in dependency list of optimum-intel 
-git+https://github.com/eaidova/optimum-intel.git@ea/remove_bf16_rotary_emb_patching#egg=optimum-intel
+git+https://github.com/huggingface/optimum-intel.git@6388aeb8738b63e28fc594af84df94590e77cb9a#egg=optimum-intel
 git+https://github.com/openvinotoolkit/nncf.git@develop#egg=nncf
 packaging
 psutil