"mkimage" command not found - U-Boot images will not be built
make[1]: *** [arch/arm/boot/uImage] Error 1
make: *** [uImage] Error 2
ERROR: build kernel Failed
解决办法:将uboot/tools 下面的mkimage 拷贝到
/usr/bin/ 目录下。
sudo cp mkimage /usr/bin/
如果没有这个文件,就安装
mkimage
sudo apt-get install uboot-mkimage