ARM: dts: sun8i: add support for Orange Pi R1

Orange Pi R1 is a board design based on Orange Pi Zero, with XR819 Wi-Fi
chip replaced by RTL8189ETV Wi-Fi module and the USB Type-A jack
replaced by an onboard USB RTL8152B USB-Ethernet adapter.

Add support for it.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>