update en/device-dev/subsystems/Readme-EN.md.

Signed-off-by: Nyao-yueyu <yaoyueyu@huawei.com>

en/device-dev/subsystems/Readme-EN.md

@@ -39,10 +39,10 @@
     - [KWS SDK](subsys-aiframework-demo-sdk.md)
     - [KWS Plug-in](subsys-aiframework-demo-plugin.md)
     - [KWS Configuration File](subsys-aiframework-demo-conf.md)
-- [Data Management](subsys-database.md)
-  - [RDB](subsys-database-relational.md)
-    - [RDB Overview](subsys-database-relational-overview.md)
-    - [RDB Development](subsys-database-relational-guide.md)
+- [Data Management](subsys-data.md)
+  - [RDB](subsys-data-relational-database.md)
+    - [RDB Overview](subsys-data-relational-database-overview.md)
+    - [RDB Development](subsys-data-relational-database-guide.md)
 - [Sensors](subsys-sensor.md)
   - [Sensors Overview](subsys-sensor-overview.md)
   - [Sensors Usage Guidelines](subsys-sensor-guide.md)