rockchip: rk3368: Add initial support for RK3368 based GeekBox

The GeekBox is a TV box from GeekBuying, based on an MXM3 module.
The module can be used with base boards such as the GeekBox Landingship.
This adds basic support to chain-load U-Boot from Rockchip's miniloader.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/board/geekbuying/geekbox/MAINTAINERS b/board/geekbuying/geekbox/MAINTAINERS
new file mode 100644
index 0000000..7a4989f
--- /dev/null
+++ b/board/geekbuying/geekbox/MAINTAINERS
@@ -0,0 +1,6 @@
+GEEKBOX
+M:	Andreas Färber <afaerber@suse.de>
+S:	Maintained
+F:	board/geekbuying/geekbox
+F:	include/configs/geekbox.h
+F:	configs/geekbox_defconfig