ARM: dts: omap3-igep0030-rev-g: Support IGEP COM MODULE Rev. G

Add support for the new hardware revision of the IGEP COM MODULE. Basically,
the new revision G replaces the old Wifi module for a Wilink8 based module.

Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com>
Acked-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>