ARM: dts: rockchip: add dts for RK3288-Fennec boards

This adds support for RK3288-Fennec boards. Currently supported
are serial console, wired networking, hdmi output and USB.

Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index faacd52..40e3e96 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -624,6 +624,7 @@
 	rk3229-evb.dtb \
 	rk3288-evb-act8846.dtb \
 	rk3288-evb-rk808.dtb \
+	rk3288-fennec.dtb \
 	rk3288-firefly-beta.dtb \
 	rk3288-firefly.dtb \
 	rk3288-miqi.dtb \