[Mirror] model : refactor QKV into common build_qkv and create_tensor_qkv helpers#94

ngxson wants to merge 2 commits intongxson:masterngxson/llama.cpp:masterfrom

JoursBleu:refactor/build-qkv-helperJoursBleu/llama.cpp:refactor/build-qkv-helperCopy head branch name to clipboard