kernel uboot android 都编程完成了 打包rk 固件失败

idt@idt-OptiPlex-9020:~/proj/roc-rk3399-pc$ ./FFTools/mkupdate/mkupdate.sh update
build/core/product_config.mk:227: *** Can not locate config makefile for product “rk3399”. Stop.
build/core/product_config.mk:227: *** Can not locate config makefile for product “rk3399”. Stop.
build/core/product_config.mk:227: *** Can not locate config makefile for product “rk3399”. Stop.
build/core/product_config.mk:227: *** Can not locate config makefile for product “rk3399”. Stop.
build/core/product_config.mk:227: *** Can not locate config makefile for product “rk3399”. Stop.
Can’t find toolchain for unknown architecture:
build/core/product_config.mk:227: *** Can not locate config makefile for product “rk3399”. Stop.
build/core/product_config.mk:227: *** Can not locate config makefile for product “rk3399”. Stop.
build/core/product_config.mk:227: *** Can not locate config makefile for product “rk3399”. Stop.
build/core/product_config.mk:227: *** Can not locate config makefile for product “rk3399”. Stop.
build/core/product_config.mk:227: *** Can not locate config makefile for product “rk3399”. Stop.
build/core/product_config.mk:227: *** Can not locate config makefile for product “rk3399”. Stop.

请参考wiki
http://wiki.t-firefly.com/zh_CN/Firefly-RK3399/compile_android_firmware.html