imx: ventana: add support for GW5907

The GW5907 is a small single board computer based on the i.MX6DL SoC
with the following peripheral set:
 - DDR3 memory (512MB default)
 - 1x GigE (i.MX6 FEC)
 - Gateworks System Controller

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