Update Kconfig

components/drivers/Kconfig

@@ -22,8 +22,8 @@ if RT_USING_SERIAL
         default y
 
     config RT_SERIAL_RB_BUFSZ
-    int "Set RX buffer size"
-    default 64
+        int "Set RX buffer size"
+        default 64
 
 endif
 
@@ -241,8 +241,8 @@ config RT_USING_AUDIO
 
 menu "Using WiFi"
     config RT_USING_WIFI
-    bool "Using Wi-Fi framework"
-    default n
+        bool "Using Wi-Fi framework"
+        default n
 
     if RT_USING_WIFI
         config RT_WLAN_DEVICE_STA_NAME