Merge tag 'zynq-dt-for-4.5' of https://github.com/Xilinx/linux-xlnx into next/dt

Merge tag 'zynq-dt-for-4.5' of https://github.com/Xilinx/linux-xlnx into next/dt

arm: Xilinx Zynq dt patches for v4.5

- Various small DT changes, GPIO, slcr, cpu label

* tag 'zynq-dt-for-4.5' of https://github.com/Xilinx/linux-xlnx:
  ARM: dt: zynq: Add labels to cpu nodes to allow overriding OPPs.
  ARM: dts: zynq: describe SLCR as simple-mfd rather than simple-bus
  ARM: dts: zynq: replace gpio-key,wakeup with wakeup-source property
  ARM: zynq: DT: Add interrupt-controller property to GPIO

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