### What this PR does / why we need it? - `qkv_proj.weight` prefetching has been implemented with `Quant` op, when `AddRmsNormQuant` is enabled (#3465) `qkv_proj.weight` prefetching won't work - Implement `qkv_proj.weight` prefetching with `AddRmsNormQuant` ### Does this PR introduce _any_ user-facing change? None. ### How was this patch tested? Tested on `Qwen3-235B-A22B-W8A8` <img width="1868" height="109" alt="image" src="https://github.com/user-attachments/assets/0bc28082-0287-4d5c-b8f6-f907c3134d36" /> - vLLM version: v0.11.0rc3 - vLLM main: https://github.com/vllm-project/vllm/commit/v0.11.0 --------- Signed-off-by: zhoux77899 <zhouxiang100@huawei.com>