custom op env fix

Signed-off-by: QianChenxi <chenxi.qian.cq@outlook.com>

Author: ChenxiQ

vllm_ascend/platform.py

@@ -40,7 +40,7 @@
 
 # set custom ops path
 CUR_DIR = os.path.dirname(os.path.realpath(__file__))
-CUSTOM_OPP_PATH = os.path.join(CUR_DIR, "vllm_ascend", "_cann_ops_custom",
+CUSTOM_OPP_PATH = os.path.join(CUR_DIR, "_cann_ops_custom",
                                "vendors", "customize")
 CUSTOM_LIB_PATH = os.path.join(CUSTOM_OPP_PATH, "op_api", "lib")