### What this PR does / why we need it?
[RFC:Support MTP > 1 for
DeepSeek](https://github.com/vllm-project/vllm-ascend/issues/2745)
- [x] dp1 tp16
- [x] dp4 tp4
- [x] dp2 tp 8
- [x] torchair graph
- vLLM version: v0.10.1.1
- vLLM main:
c9f7081f9c
Signed-off-by: 1092626063 <1092626063@qq.com>