dosc: change chinese to english in READ*.md

to make version switch more friendly to foreigners.

Signed-off-by: Dillon Min <dillon.minfei@gmail.com>

README.md

@@ -1,6 +1,6 @@
 ## Introduction
 
-[中文页](README_ZH.md) | 英文页
+[中文页](README_ZH.md) | English Page
 
 sdk-bsp-stm32h750-realthread-artpi is a support package made by the RT-Thread team for the ART-Pi development board. It can also be used as a software SDK for user development, allowing users to develop their own applications more easily and conveniently.
 

README_ZH.md

@@ -1,6 +1,6 @@
 ## 简介
 
-中文页 | [英文页](README.md)
+中文页 | [English Page](README.md)
 
 sdk-bsp-stm32h750-realthread-artpi 是 RT-Thread 团队对 ART-Pi 开发板所作的支持包，也可作为用户开发使用的软件SDK，让用户可以更简单方便的开发自己的应用程序。