ARM: dts: sun5i: Add DT for HSG H702 tablet board

This is a Q8 format 7 inch tablet with an Allwinner A13 SoC.
It has 512MB DRAM, 4GB NAND flash, an accelerometer, camera,
RTL8188-based WiFi, and micro SD slot for external storage.

It is likely made by a subsidiary of Hanns.G (Hannstar).

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index ecb55a3..2f42b18 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -406,6 +406,7 @@
 dtb-$(CONFIG_MACH_SUN5I) += \
 	sun5i-a10s-olinuxino-micro.dtb \
 	sun5i-a10s-r7-tv-dongle.dtb \
+	sun5i-a13-hsg-h702.dtb \
 	sun5i-a13-olinuxino.dtb \
 	sun5i-a13-olinuxino-micro.dtb
 dtb-$(CONFIG_MACH_SUN6I) += \