update sig/sigs.json.

sig/sigs.json

@@ -8,7 +8,7 @@
       {
          "sig-name":"sig-driver",
          "projects":["https://gitee.com/openharmony/drivers_framework", "https://gitee.com/openharmony/drivers_peripheral", "https://gitee.com/openharmony/drivers_adapter", "https://gitee.com/openharmony/drivers_adapter_khdf_linux"],
-         "project-path":["drivers/framework", "drivers/peripheral", "drivers/adapter" ,"drivers/adapter/khdf/linux"]
+         "project-path":["drivers/framework", "drivers/peripheral", "drivers/adapter", "drivers/adapter/khdf/linux"]
       }
    ]
 }