问题："mkimage" command not found - U-Boot images will not be built

"mkimage" command not found - U-Boot images will not be built
make[1]: *** [/opt/linux-3.14/arch/arm/boot/Makefile:80: arch/arm/boot/uImage] Error 1
make: *** [/opt/linux-3.14/arch/arm/Makefile:305: uImage] Error 2

解决方法：apt install u-boot-tools