Fixed pin numbers for uart4 on rk3288, iommu clocks and small changes
over multiple boards like default serial setting for rk3288-tinker,
output selection for the dp83867 on the phycore-som and the newly
added pwm-backlight delay properties for veyron boards.
* tag 'v4.18-rockchip-dts32-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
ARM: dts: rockchip: default serial for rk3288 Tinker Board
ARM: dts: rockchip: set PWM delay backlight settings for Minnie
ARM: dts: rockchip: set PWM delay backlight settings for Veyron
ARM: dts: rockchip: add clocks in iommu nodes
ARM: dts: rockchip: Add dp83867 CLK_OUT muxing on rk3288-phycore-som
ARM: dts: rockchip: fix uart4 pin-numbers for rk3288
Signed-off-by: Olof Johansson <olof@lixom.net>