sun50i: a64: Add initial Orangepi Win/WinPlus support

Orangepi Win/WinPlus is an open-source single-board computer
using the Allwinner A64 SOC.

A64 Orangepi Win/WinPlus has
- A64 Quad-core Cortex-A53 64bit
- 1GB(Win)/2GB(Win Plus) DDR3 SDRAM
- Debug TTL UART
- Four USB 2.0
- HDMI
- LCD
- Audio and MIC
- Wifi + BT
- IR receiver
- 5V DC power supply

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Tested-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index a0b3704..a6eab75 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -324,6 +324,7 @@
 	sun50i-h5-orangepi-zero-plus2.dtb
 dtb-$(CONFIG_MACH_SUN50I) += \
 	sun50i-a64-bananapi-m64.dtb \
+	sun50i-a64-orangepi-win.dtb \
 	sun50i-a64-pine64-plus.dtb \
 	sun50i-a64-pine64.dtb
 dtb-$(CONFIG_MACH_SUN9I) += \