Revert "drop ascend scheduler" (#4580)

Reverts vllm-project/vllm-ascend#4498
- vLLM version: v0.11.2
- vLLM main: https://github.com/vllm-project/vllm/commit/v0.11.2

tests/e2e/multicard/test_offline_inference_distributed.py

@@ -82,6 +82,9 @@ def test_models_distributed_DeepSeek_multistream_moe():
                     "enabled": True,
                 },
                 "enable_multistream_moe": True,
+                "ascend_scheduler_config": {
+                    "enabled": True,
+                },
                 "refresh": True,
             },
     ) as vllm_model:
@@ -151,9 +154,14 @@ def test_models_distributed_DeepSeek_W4A8DYNAMIC(model):
             quantization="ascend",
             enforce_eager=True,
             enable_expert_parallel=True,
-            additional_config={"torchair_graph_config": {
-                "enabled": False,
-            }},
+            additional_config={
+                "torchair_graph_config": {
+                    "enabled": False,
+                },
+                "ascend_scheduler_config": {
+                    "enabled": True,
+                }
+            },
     ) as vllm_model:
         vllm_model.generate_greedy(prompts, max_tokens)