wget https://buildroot.org/downloads/buildroot-2021.02.8.tar.bz2
tar -xf buildroot-2021.02.8.tar.bz2
git clone https://github.com/100askTeam/buildroot-external-dongshanpion
cd buildroot-2021.02.8
make BR2_EXTERNAL=../buildroot-external-dongshanpione/ dongshanpi1_defconfig
make