Merge tag 'sunxi-dt-for-4.4-2' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into next/dt

Allwinner DT changes for 4.4, round 2

More DT patches for 4.4, mostly with new boards coming in (CHIP, BananaPi
M2, pcduino2), further consolidation for the q8-based designs and a bunch
of random patches enhancing support for existing boards

* tag 'sunxi-dt-for-4.4-2' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux: (27 commits)
  ARM: dts: sun6i: Add a dts file for the Sinovoip BPI-M2 board
  ARM: dts: sun6i: Add mmc2_pins_a pinmux setting to sun6i-a31.dtsi
  ARM: dts: sunxi: Fix interrupt-cells for [r]pio on A23/A31/A33/A80
  ARM: dts: sun8i: Add NMI interrupt controller node
  ARM: dts: sun6i: hummingbird: Enable AXP221 DC5LDO regulator as "vdd-cpus"
  ARM: dts: sun6i: hummingbird: Use axp22x.dtsi for AXP221 regulators
  ARM: dts: sun6i: hummingbird: Fix VDD-CPU and VDD-GPU regulator names
  ARM: dts: sun7i: Add regulator configuration for pcDuino v3 Nano
  ARM: dts: sun6i: Turn on gmac on Colombus
  ARM: dts: sun8i: Make et-q8-v1.6.dts a symlink to q8-tablet.dts
  ARM: dts: sun8i: Make ippo-q8h-v*.dts a symlink to q8-tablet.dts
  ARM: dts: sun8i: Add sun8i-a23-q8-tablet.dts file
  ARM: dts: sun5i: Add backlight node to sun5i-q8-common.dtsi
  ARM: dts: sunxi: Enable PWM controller on Q8 format tablets
  ARM: dts: sun5i: Add PWM channel 0 pinmux setting for A13/A10s
  ARM: dts: sun5i: Add PWM controller node for A13 / A10s
  ARM: sun5i: Add C.H.I.P DTS
  ARM: dts: sunxi: Add dtsi for AXP22x PMIC
  ARM: dts: sun7i: Correct USB regulators on pcDuino v3 Nano
  ARM: sun5i: dt: Add UART3 CTS and RTS pins
  ...
Signed-off-by: Olof Johansson <olof@lixom.net>