mx6: Add initial SPL support for HummingBoard-i2eX

Add the initial SPL support for HummingBoard-i2eX, which is based on a
MX6 Dual.

For more information about HummingBoard, please check:
http://www.solid-run.com/products/hummingboard/

Based on the work from Jon Nettleton and Rabeeh Khoury.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/board/solidrun/mx6cuboxi/MAINTAINERS b/board/solidrun/mx6cuboxi/MAINTAINERS
new file mode 100644
index 0000000..3d468ed
--- /dev/null
+++ b/board/solidrun/mx6cuboxi/MAINTAINERS
@@ -0,0 +1,6 @@
+MX6CUBOXI BOARD
+M:	Fabio Estevam <fabio.estevam@freescale.com>
+S:	Maintained
+F:	board/solidrun/mx6cuboxi/
+F:	include/configs/mx6cuboxi.h
+F:	configs/mx6cuboxi_spl_defconfig