Merge tag 'arm-soc/for-4.8/devicetree-arm64' of http://github.com/Broadcom/stblinux...

This pull request contains Device Tree changes for Broadcom ARM64-based SoCS:

- Anup adds nodes for the AHCI and SATA3 PHY peripherals to the Northstar2 SoCs

- Dhanajay enables pinctrl for the Northstar2 SoCs

- Jon Mason enables all of the UART peripherals found in the NS2 SVK and
  finally adds the CCI-400 and PMU nodes

* tag 'arm-soc/for-4.8/devicetree-arm64' of http://github.com/Broadcom/stblinux:
  arm64: dts: NS2: Add CCI-400 PMU support
  arm64: dts: NS2: Add all of the UARTs
  arm64: dts: Enable GPIO for Broadcom NS2 SoC
  arm64: dts: enable pinctrl for Broadcom NS2 SoC
  arm64: dts: Add SATA3 AHCI and SATA3 PHY DT nodes for NS2
  dt-bindings: ata: add compatible string for iProc AHCI controller

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