imx: ventana: add GW5520 support

The GW5520 has an IMX6Q SoC with 512MB of DDR3, 256MB of NAND flash as well as:
 * 2x MiniPCIe sockets
 * 2x USB host sockets
 * 2x i210 GigE
 * HDMI out
 * digital I/O expansion

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
4 files changed