ARM: SoC 64-bit changes for v4.1

Mostly DT updates for arm64, but also a couple of Kconfig additions.

Main contents:

- Qualcomm MSM8916/APQ8016
- Spreadtrum SC9836
- Xilinx ZynqMP
- Pincontrol entries for MediaTek MT8173
Merge tag 'v4.0-next-arm64' of https://github.com/mbgg/linux-mediatek into next/arm64

Merge "ARM: mediatek: arm64 changes for 4.1" from Matthias Brugger:

- Select PINCTRL for Mediatek platform
- Add pinctrl/GPIO/EINT node for mt8173.

* tag 'v4.0-next-arm64' of https://github.com/mbgg/linux-mediatek:
  arm64: dts: mt8173: Add pinctrl/GPIO/EINT node for mt8173.
  arm64: mediatek: Select PINCTRL for Mediatek platform

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