rockchip: Add support for MiQi rk3288 board

MiQi is rk3288 based development board with 1 or 2 GB SDRAM, 16 GB eMMC,
micro SD card interface, 4 USB 2.0 ports, HDMI, gigabit Ethernet and
expansion ports.

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Eddie Cai <eddie.cai.linux@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/board/mqmaker/miqi_rk3288/Kconfig b/board/mqmaker/miqi_rk3288/Kconfig
new file mode 100644
index 0000000..232a112
--- /dev/null
+++ b/board/mqmaker/miqi_rk3288/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_MIQI_RK3288
+
+config SYS_BOARD
+	default "miqi_rk3288"
+
+config SYS_VENDOR
+	default "mqmaker"
+
+config SYS_CONFIG_NAME
+	default "miqi_rk3288"
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+	def_bool y
+
+endif