Update lvgl build shell script for v9.5

guowenxue

yesterday 19a14387939c5a83db2ae9b9a9a75e1c64a90cf8

 README.md

@@ -2,3 +2,9 @@

LingYun open library local/cross compile shell scripts

Update cross compiler:

```bash
find -name "build.sh" -exec sed -i "s|^CROSS_COMPILE=.*|CROSS_COMPILE=/opt/gcc-aarch32-10.3-2021.07/bin/arm-none-linux-gnueabihf-|g" {} \; 
```