### What this PR does / why we need it? Currently, MTP does not support the DeepSeekV3.2 model. In this PR, we have enabled this feature. - vLLM version: v0.11.2 - vLLM main: https://github.com/vllm-project/vllm/commit/v0.11.2 Signed-off-by: ZYang6263 <zy626375@gmail.com>