使用ubuntu14和ubuntu16，编译android7.1。按照教程编译，单独手动编译kernel，总是报错，错误代码如下：
z@z-virtual-machine:~/Desktop/ZmyFile/proje/Firefly-RK3399_Android7.1.2_git_20180126$ cd kernel/
z@z-virtual-machine:~/Desktop/ZmyFile/proje/Firefly-RK3399_Android7.1.2_git_20180126/kernel$ make ARCH=arm64 firefly_defconfig
#
# configuration written to .config
#
z@z-virtual-machine:~/Desktop/ZmyFile/proje/Firefly-RK3399_Android7.1.2_git_20180126/kernel$ make -j4 ARCH=arm64 rk3399-firefly-aiojd4.img
scripts/kconfig/conf --silentoldconfig Kconfig
CHK include/config/kernel.release
CHK include/generated/uapi/linux/version.h
CHK include/generated/utsrelease.h
make[1]: *** No rule to make target 'arch/arm64/boot/dts/rockchip/rk3399-firefly-aiojd4.dtb'. Stop.
arch/arm64/Makefile:111: recipe for target 'rockchip/rk3399-firefly-aiojd4.dtb' failed
make: *** [rockchip/rk3399-firefly-aiojd4.dtb] Error 2
z@z-virtual-machine:~/Desktop/ZmyFile/proje/Firefly-RK3399_Android7.1.2_git_20180126/kernel$ ^C
z@z-virtual-machine:~/Desktop/ZmyFile/proje/Firefly-RK3399_Android7.1.2_git_20180126/kernel$