Merge tag 'at91-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into next/dt

First batch of DT changes for 4.3:
- some fixes on sama5d4 ADC definition
- adding Image Sensor Interface (aka ISI) on at91sam9m10g45ek board
- update rst controller compatible string on sama5 machines
- new sama5d2 DT definition and its reference board:
  the sama5d2 Xplained. Minimal configuration for now.

* tag 'at91-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91

:
  ARM: at91/dt: add minimal sama5d2 Xplained board
  ARM: at91/dt: add basic dtsi for sama5d2 SoC
  ARM: at91/dt: sama5: update rstc to correct compatible string
  ARM: at91/dt: add isi & ov2640 dt nodes for at91sam9m10g45ek board
  ARM: at91/dt: sama5d4: move ADC pinctrl to board device trees
  ARM: at91/dt: sama5d4: fix external trigger property

Signed-off-by: Olof Johansson <olof@lixom.net>