Add support for Advantech BA-16 module based on iMX6D processor

Basic information about the module:
 - Module manufacturer: Advantech
 - CPU: Freescale ARM Cortex-A9 i.MX6
 - SPECS:
     Up to 2GB Onboard DDR3 Memory;
     Up to 16GB Onboard eMMC NAND Flash
     Supports OpenGL ES 2.0 and OpenVG 1.1
     HDMI, 24-bit LVDS
     1x UART, 2x I2C, 8x GPIO,
     4x Host USB 2.0 port, 1x USB OTG port,
     1x micro SD (SDHC),1x SDIO, 1x SATA II,
     1x 10/100/1000 Mbps Ethernet, 1x PCIe X1 Gen2
 - Website: http://goo.gl/JED98USigned-off-by: Akshay Bhat <akshay.bhat@timesys.com>
Signed-off-by: Justin Waters <justin.waters@timesys.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>