How to rebuild bootloader BPI_M2U_720P-emmc.img.gz

How to rebuild bootloader BPI_M2U_720P-emmc.img.gz

1. git clone

​https://github.com/BPI-SINOVOIP/BPI-M2U-bsp.git​

1. cp -a BPI-M2U-bsp/linux-sunxi/arch/arm/boot/dts/sun8iw11p1emmc.dtsi BPI-M2U-bsp/linux-sunxi/arch/arm/boot/dts/sun8iw11p1.dtsi

2. cd BPI-M2U-bsp ; ./build.sh all

3. mv SD/100MB/BPI_M2U_720P.img.gz SD/100MB/BPI_M2U_720P-emmc.img.gz