[U-Boot] [U-Boot, 2/8] rockchip: rk3328: add spl board file support

[Philipp Tomsich]

> rk3328 spl is locate at dram, so do not have strict size limit,
> suppose to enable storage media controller driver, load ATF and
> U-Boot, then boot into ATF.
> 
> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
> ---
> 
>  arch/arm/mach-rockchip/Makefile           |  1 +
>  arch/arm/mach-rockchip/rk3328-board-spl.c | 64 +++++++++++++++++++++++++++++++
>  2 files changed, 65 insertions(+)
>  create mode 100644 arch/arm/mach-rockchip/rk3328-board-spl.c
> 

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