Add qwen2.5 vl multimodal feature for vllm-ascend v1#736

Yikun merged 3 commits intovllm-project:mainvllm-project/vllm-ascend:mainfrom

ChenTaoyu-SJTU:add_qwen2.5_vl_multimodalChenTaoyu-SJTU/vllm-ascend:add_qwen2.5_vl_multimodalCopy head branch name to clipboard