[Triton][Config] Add muls_add triton kernel and refactor AscendCompilationConfig (#5518)

### What this PR does / why we need it?
Add muls_add triton kernel with related fusion pass. What's more, this
PR refactors `AscendCompilationConfig` and delete `NpugraphExConfig`.

### Does this PR introduce _any_ user-facing change?
None

### How was this patch tested?
CI passed with new added test.


- vLLM version: v0.13.0
- vLLM main:
45c1ca1ca1

---------

Signed-off-by: whx-sjtu <2952154980@qq.com>

vllm_ascend/worker/worker.py

@@ -138,8 +138,8 @@ class NPUWorker(WorkerBase):
 
         self.use_v2_model_runner = envs_vllm.VLLM_USE_V2_MODEL_RUNNER
 
-        npugraph_ex_config = get_ascend_config().npugraph_ex_config
-        if npugraph_ex_config.enable and npugraph_ex_config.enable_static_kernel:
+        ascend_compilation_config = get_ascend_config().ascend_compilation_config
+        if ascend_compilation_config.enable_npugraph_ex and ascend_compilation_config.enable_static_kernel:
             # Prevent duplicate triggers, execute the exit logic only once
             shutdown_request = False