ARM64: dts: rockchip: add dts files for rk3399
The dts files include three level:
- rk3399.dtsi
includes nodes who closed to SoC, such as cpu\pmu\cru\i2c\pinctl\iommu...
- rk3399-tb.dtsi
includes nodes who required by main board, they are common nodes for both
chromeos and android; also to enable node from rk3399.dtsi if needs
- rk3399-monkey.dts
used by evb board with android system
- rk3399-chrome.dts
used by evb board with chromeos system
Change-Id: I02e21a8d184e74c96807f3b8b72075d466e1027f
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>