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

Allwinner arm64 changes for 4.18

We mostly have some changes to support the H6, Allwinner latest SoC. We're
still in the preliminary phase, with I2C, pinctrl and clock support.

* tag 'sunxi-dt64-for-4.18' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  arm64: allwinner: h6: add PCF8563 RTC on Pine H64 board
  arm64: allwinner: h6: add R_I2C controller
  arm64: allwinner: h6: add R_INTC interrupt controller
  arm64: allwinner: h6: add node for R_PIO pin controller
  arm64: allwinner: h6: add PRCM CCU device node
  arm64: dts: allwinner: a64: bananapi-m64: add usb otg
  arm64: dts: allwinner: axp803: Add drivevbus regulator
  arm64: allwinner: h6: restore the usage of CCU slice macros

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