omap3: IGEP v2: Remove onenand_setup no-op function

Set onenand_setup to NULL instead of adding a no-op function.
Signed-off-by: Enric Balletbo i Serra <eballetbo@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/board-igep0020.c

@@ -136,16 +136,9 @@ static struct mtd_partition igep2_onenand_partitions[] = {
 	},
 };
 
-static int igep2_onenand_setup(void __iomem *onenand_base, int freq)
-{
-       /* nothing is required to be setup for onenand as of now */
-       return 0;
-}
-
 static struct omap_onenand_platform_data igep2_onenand_data = {
 	.parts = igep2_onenand_partitions,
 	.nr_parts = ARRAY_SIZE(igep2_onenand_partitions),
-	.onenand_setup = igep2_onenand_setup,
 	.dma_channel	= -1,	/* disable DMA in OMAP OneNAND driver */
 };