sunxi: Add inet98v_rev2 defconfig and dts file

The inet98v_rev2 is a pcb used in generic A13 based tablets. It features
volume buttons, a power barrel, micro-usb otg, headphone connector and
a power button.

The dts file is identical to the one submitted to the upstream kernel.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
diff --git a/board/sunxi/MAINTAINERS b/board/sunxi/MAINTAINERS
index 01fc7d6..fca051f 100644
--- a/board/sunxi/MAINTAINERS
+++ b/board/sunxi/MAINTAINERS
@@ -22,6 +22,7 @@
 F:	configs/A13-OLinuXinoM_defconfig
 F:	configs/Auxtek-T003_defconfig
 F:	configs/Auxtek-T004_defconfig
+F:	configs/inet98v_rev2_defconfig
 F:	configs/mk802_a10s_defconfig
 F:	configs/r7-tv-dongle_defconfig
 F:	configs/UTOO_P66_defconfig