[U-Boot] [U-Boot, v3, 3/4] rockchip: rk3399: Add Rock960 CE board support

[Philipp Tomsich]

> Add board support for Rock960 CE board from Vamrs. This board utilizes
> common Rock960 family support.
> 
> Following peripherals are tested and known to work:
> * USB 2.0
> * MMC
> 
> This commit also adds DDR configuration for LPDDR3-2GiB-1600MHz which
> is being used on the board.
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
> Reviewed-by: Simon Glass <sjg at chromium.org>
> Tested-by: Peter Robinson <pbrobinson at gmail.com>
> ---
> 
> Changes in v3:
> 
> * Add config options for USB to Ethernet and USB2 PHY
> 
> Changes in v2:
> 
> * Added missing config options for USB/uSD
> * Fixed the commit description for DDR speed
> 
>  arch/arm/dts/Makefile                         |    1 +
>  arch/arm/dts/rk3399-rock960.dts               |   45 +
>  .../arm/dts/rk3399-sdram-lpddr3-2GB-1600.dtsi | 1536 +++++++++++++++++
>  configs/rock960-rk3399_defconfig              |   69 +
>  4 files changed, 1651 insertions(+)
>  create mode 100644 arch/arm/dts/rk3399-rock960.dts
>  create mode 100644 arch/arm/dts/rk3399-sdram-lpddr3-2GB-1600.dtsi
>  create mode 100644 configs/rock960-rk3399_defconfig
> 

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