Merge tag 'sunxi-config64-for-5.3-201906210813' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/defconfig

Our usual bunch of arm64 defconfig changes, this time mostly to enable
some missing drivers for the Allwinner A64.

* tag 'sunxi-config64-for-5.3-201906210813' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  arm64: defconfig: enable Allwinner DMA drivers
  arm64: defconfig: enable sunxi watchdog
  arm64: defconfig: add allwinner sid support
Signed-off-by: Olof Johansson <olof@lixom.net>