!1690 【驱动】修改配置管理中属性引用的示例

Merge pull request !1690 from liyan/master

zh-cn/device-dev/driver/driver-hdf-manage.md

@@ -347,8 +347,17 @@ root {
 node1 {
     attributes;
 }
+node2 {
+    attr_1 = &root.node1;
+}
+```
+或
 
+```
 node2 {
+    node1 {
+        attributes;
+    }
     attr_1 = &node1;
 }
 ```