uboot-phytec

rockchip: dts: rk3399: move the u-boot, dm-pre-reloc to the u-boot.dtsi

The u-boot specific pieces in the dts files should be in u-boot.dtsi
not the main files, this allows easier sync with upstream. The
rk3399.dtsi has a mix of both so move them all for consistency.

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
(Fix with missing pmugrf)
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>