Merge tag 'sunxi-dt64-for-4.15' of https://git.kernel.org/pub/scm/linux/kernel/git...

Merge tag 'sunxi-dt64-for-4.15' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into next/dt

Pull "Allwinner arm64 DT changes for 4.15" from Maxime Ripard:

Most notable changes:
  - SPI and DMA support on the a64
  - New boards: NanoPi NEO Plus2

* tag 'sunxi-dt64-for-4.15' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  arm: allwinner: Correct unit name in devicetree binding example
  arm64: allwinner: a64: add dma controller references to spi nodes
  arm64: allwinner: a64: Add device node for DMA controller
  arm64: allwinner: a64: Fix node with unit name and no reg property
  arm64: allwinner: a64: Fix simple-bus unit address format error
  arm64: allwinner: h5: add NanoPi NEO Plus2 DT support
  arm64: allwinner: a64: add SPI nodes