### What this PR does / why we need it? torchair w8a8 and w4a8 Separate from fused_moe due to the refactor and change for fused_moe ### Does this PR introduce _any_ user-facing change? NO ### How was this patch tested? vLLM version: main vLLM main:ab9f2cfd19- vLLM version: v0.10.1.1 - vLLM main:69244e67e6Signed-off-by: hust17yixuan <303660421@qq.com>