arm: mx6: Add CCV xPress board support

This patch add support for the CCV xPress board which is equipped
with the i.MX6UL. And provides the following interfaces:

- 128MiB DDR
- UART
- I2C
- eMMC (with booting)
- Ethernet
- USB

This patch adds two build targets. One with and one without SPL. The
non-SPL version is used for loading U-Boot via USB (imx_usb_loader).

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
diff --git a/board/ccv/xpress/MAINTAINERS b/board/ccv/xpress/MAINTAINERS
new file mode 100644
index 0000000..e242bfb
--- /dev/null
+++ b/board/ccv/xpress/MAINTAINERS
@@ -0,0 +1,7 @@
+CCV XPRESS BOARD
+M:	Stefan Roese <sr@denx.de>
+S:	Maintained
+F:	board/ccv/xpress/
+F:	include/configs/xpress.h
+F:	configs/xpress_defconfig
+F:	configs/xpress_spl_defconfig