[U-Boot] [U-Boot, v1, 4/4] rockchip: rk3399: change boot_target based on u-boot, spl-boot-device

[Philipp Tomsich]

> From: Klaus Goger <klaus.goger at theobroma-systems.com>
> 
> The order distroboot searches for a boot.scr is fixed at compile time.
> To make BIOS_DISABLE work as expected and boot from mmc1 instead of
> mmc0 if enabled, we need to change the environment at runtime.
> Especially as commit: 482cf22333 ("rockchip: rk3399-puma: add boot-on
> regulator to override BIOS_DISABLE") enables the eMMC in U-Boot even
> if BIOS_DISABLE is active.
> 
> Signed-off-by: Klaus Goger <klaus.goger at theobroma-systems.com>
> Signed-off-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
> ---
> 
>  board/theobroma-systems/puma_rk3399/puma-rk3399.c | 74 +++++++++++++++++++++++
>  1 file changed, 74 insertions(+)
> 

Applied to u-boot-rockchip, thanks!