# Pastebin 7V78wJx9
./"arch/arm/mach-rockchip/make_fit_atf.py" \
arch/arm/dts/rk3399-helios64.dtb > u-boot.its
  MKIMAGE u-boot.itb
  MKIMAGE tpl/u-boot-tpl-rockchip.bin
  CAT     idbloader.img
  CAT     u-boot-rockchip.bin
  CFGCHK  u-boot.cfg