OSD3358
build buildroot
編譯步驟如下：
$ cd $ wget https://buildroot.org/downloads/buildroot-2019.02.4.tar.gz $ tar xvf buildroot-2019.02.4.tar.gz $ cd buildroot-2019.02.4/ $ wget https://github.com/steward-fu/pocketbeagle/releases/download/v1.0/config_buildroot-2019.02.4 $ mv config_buildroot-2019.02.4 .config $ make -j4