[NPU] use causal_conv1d_update_v2 for performance#24595

sglang-npu-bot merged 3 commits into

sgl-project:mainsgl-project/sglang:mainfrom

iridiumine:causal_conv1d_update_v2iridiumine/sglang:causal_conv1d_update_v2Copy head branch name to clipboard