Use the omap3-igep0020-common.dtsi file and remove repeated parts leaving
the nodes that are not common between IGEPv2 hardware revisions.
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>