rockchip: add support for rk3288 miniarm board

Miniarm is a rockchip rk3288 based development board, which has lots of
interface such as HDMI, USB, micro-SD card, Audio etc.

Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/board/rockchip/miniarm_rk3288/Makefile b/board/rockchip/miniarm_rk3288/Makefile
new file mode 100644
index 0000000..9419b91
--- /dev/null
+++ b/board/rockchip/miniarm_rk3288/Makefile
@@ -0,0 +1,7 @@
+#
+# (C) Copyright 2016 Rockchip Electronics Co., Ltd
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-y	+= miniarm-rk3288.o