allow deepseek models to enable chunked prefill on NPUs

Signed-off-by: rjg-lyh <1318825571@qq.com>

Author: rjg-lyh

vllm_ascend/platform.py

@@ -204,6 +204,9 @@ def check_and_update_config(cls, vllm_config: VllmConfig) -> None:
                     "ascend_scheduler_config", None) is not None:
                 additional_scheduler_config = additional_config.get(
                     "ascend_scheduler_config")
+                if vllm_config.scheduler_config.enable_chunked_prefill:
+                    additional_scheduler_config[
+                        "enable_chunked_prefill"] = True
                 from vllm_ascend.core.schedule_config import \
                     AscendSchedulerConfig
                 ascend_scheduler_config = AscendSchedulerConfig.initialize_from_config(