Merge tag 'samsung-dt64-4.18' of https://git.kernel.org/pub/scm/linux/kernel/git...

Merge tag 'samsung-dt64-4.18' of https://git./linux/kernel/git/krzk/linux into next/dt

Samsung DTS ARM64 changes for v4.18

1. Fix DTC warnings.
2. Add mem-2-mem Scaler devices.

* tag 'samsung-dt64-4.18' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  arm64: dts: exynos: Add mem-2-mem Scaler devices
  arm64: dts: exynos: Remove unneeded address space mapping for soc node
  arm64: dts: exynos: Move syscon poweroff and restart nodes under the PMU

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