Fix: initialize kv_rank and kv_parallel_size based on kv_transfer_config

Signed-off-by: luolun <luolun1995@cmbchina.com>

Author: IuoIun

vllm_ascend/worker/worker_v1.py

@@ -87,6 +87,13 @@ def __init__(
                          distributed_init_method=distributed_init_method,
                          is_driver_worker=is_driver_worker)
 
+        if vllm_config.kv_transfer_config is not None:                                 
+            self.kv_rank = vllm_config.kv_transfer_config.kv_rank
+            self.kv_parallel_size = vllm_config.kv_transfer_config.kv_parallel_size
+        else:
+            self.kv_rank = 0
+            self.kv_parallel_size = 0
+
         # Try to import mindie_turbo to accelerate vLLM inference.
         try_register_lib(
             "mindie_turbo",