Enable trtllm_mha as gemma4 default attn backend.#25006

kpham-sgl merged 2 commits into

sgl-project:mainsgl-project/sglang:mainfrom

wenscarl:Gemma4_trtllm_attnwenscarl/sglang:Gemma4_trtllm_attnCopy head branch name to clipboard