[Hardware][PowerPC] Fix fp16 compilation error for Power in cpu attention backend and bump oneDNN version - #28535

[Hardware][PowerPC] Fix fp16 compilation error for Power in cpu attention backend and bump oneDNN version#28535

bigPYJ1151 merged 4 commits into

vllm-project:mainvllm-project/vllm:mainfrom

Akashcodes732:fix/fp16_onednn_VersionAkashcodes732/vllm:fix/fp16_onednn_VersionCopy head branch name to clipboard