update docs

Signed-off-by: Nannie_wangli <annie.wangli@huawei.com>

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

@@ -31,8 +31,8 @@
   - [PWM](driver-platform-pwm-des.md)
 - [Peripheral Driver Usage](driver-peripherals.md)
   - [LCD](driver-peripherals-lcd-des.md)
-  - [TOUCHSCREEN](driver-peripherals-touch-des.md)
+  - [Touchscreen](driver-peripherals-touch-des.md)
   - [Sensor](driver-peripherals-sensor-des.md)
   - [WLAN](driver-peripherals-external-des.md)
-  - [AUDIO](driver-peripherals-audio-des.md)
+  - [Audio](driver-peripherals-audio-des.md)
   - [USB](driver-peripherals-usb-des.md)
\ No newline at end of file