Merge tag 'sunxi-dt64-for-4.12' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into next/dt64

Allwinner arm64 DT changes for 4.12

Some patches to enable the PRCM block in the A64

* tag 'sunxi-dt64-for-4.12' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  arm64: allwinner: a64: add R_PIO pinctrl node
  arm64: allwinner: a64: add r_ccu node

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