Merge tag 'v4.7-next-dts' of https://github.com/mbgg/linux-mediatek into next/dt64

Merge "ARM: mediatek: dts 64 bit updates for v4.8" from Matthias Brugger:

- Add nodes for the DISP function ports
- Add dt-bindings for mt6755
- Add basic support for mt6755 SoC

* tag 'v4.7-next-dts' of https://github.com/mbgg/linux-mediatek:
  arm64: dts: mediatek: add mt6755 support
  Document: DT: Add bindings for mediatek MT6755 SoC Platform
  arm64: dts: mt8173: Add display subsystem related nodes