[Perf][MiniCPM-O-4.5]Add CUDA Graph For CFM DiT estimator (#6082)

Signed-off-by: liwener <liwener.c@gmail.com>
Co-authored-by: amy-why-3459 <wuhaiyan17@huawei.com>

vllm_omni/deploy/minicpmo_4_5_8x4090.yaml

@@ -33,6 +33,8 @@ connectors:
       # A future initial_codec_chunk_frames shape will use lazy capture unless
       # HiFTGraphWrapper.derive_capture_bucket_size explicitly includes it.
       enable_hift_graph: true
+      enable_cfm_graph: true
+      cfm_max_graphs: 32
 
 stages:
   - stage_id: 0