[U-Boot] [U-Boot, v2, 1/3] rockchip: rk3399-evb: add script for atf fit

[Philipp Tomsich]

> Add a script to generate binaries from bl31.elf, and generate
> u-boot.its file for FIT image including u-boot, dtb and atf binaries.
> 
> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
> Reviewed-by: Mark Kettenis <kettenis at openbsd.org>
> Tested-by: Mark Kettenis <kettenis at openbsd.org>
> ---
> 
> Changes in v2: None
> 
>  board/rockchip/evb_rk3399/mk_fit_atf.sh | 110 ++++++++++++++++++++++++++++++++
>  1 file changed, 110 insertions(+)
>  create mode 100755 board/rockchip/evb_rk3399/mk_fit_atf.sh
> 

Reviewed-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>