IGEP2 and IGEP3 boards are very similar and can be merged into one file.
Start refactoring with changing igep2 to igep where applicable.
Signed-off-by: NMike Rapoport <mike@compulab.co.il>
Acked-by: NEnric Balletbo i Serra <eballetbo@iseebcn.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>