rockchip: rk3066: add Rikomagic MK808 board

MK808 is a RK3066-based board with 1 USB host and 1 USB OTG port,
HDMI and a micro-SD card slot. It also includes on-board NAND
and 1GB of SDRAM.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/board/rikomagic/mk808/Makefile b/board/rikomagic/mk808/Makefile
new file mode 100644
index 0000000..a4d1688
--- /dev/null
+++ b/board/rikomagic/mk808/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0+
+
+obj-y	+= mk808.o