[U-Boot] [U-Boot,2/3] rockchip: rk3188: add timer3 node

[Philipp Tomsich]

> Add dts node for timer3.
> Because of the rockchip timer can only KNOWN "dtd_rockchip_rk3368_timer"
> with OF_PLATDATA enable, so we override its compatible to
> "rockchip,rk3368-timer".
> 
> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
> ---
> 
>  arch/arm/dts/rk3188-radxarock-u-boot.dtsi | 6 ++++++
>  arch/arm/dts/rk3188.dtsi                  | 6 ++++++
>  2 files changed, 12 insertions(+)
> 

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