[U-Boot] [U-Boot, v3, 4/4] rockchip: rk3399: Add Ficus EE board support

[Philipp Tomsich]

> Add board support for Ficus EE board from Vamrs. This board utilizes
> common Rock960 family support.
> 
> Following peripherals are tested and known to work:
> * Gigabit Ethernet
> * USB 2.0
> * MMC
> 
> Signed-off-by: Ezequiel Garcia <ezequiel at collabora.com>
> [Reworked based on common Rock960 family support]
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
> Reviewed-by: Simon Glass <sjg at chromium.org>
> ---
> 
> Changes in v3: Modified the DRAM config header from LPDDR3 to DDR3
> 
> Changes in v2: None
> 
>  arch/arm/dts/Makefile          |  1 +
>  arch/arm/dts/rk3399-ficus.dts  | 78 ++++++++++++++++++++++++++++++++++
>  configs/ficus-rk3399_defconfig | 71 +++++++++++++++++++++++++++++++
>  3 files changed, 150 insertions(+)
>  create mode 100644 arch/arm/dts/rk3399-ficus.dts
>  create mode 100644 configs/ficus-rk3399_defconfig
> 

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