omap3630: nand: fix device size to work in polled mode

zoom3 and 3630-sdp having the x16 nand device.
This patch configure gpmc as x16 and select the currect function in driver
for polled mode (without prefetch enable) transfer.

Signed-off-by: Sukumar Ghorai <s-ghorai@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/board-zoom.c b/arch/arm/mach-omap2/board-zoom.c
index 85d4170..7e3f159 100644
--- a/arch/arm/mach-omap2/board-zoom.c
+++ b/arch/arm/mach-omap2/board-zoom.c
@@ -16,6 +16,7 @@
 #include <linux/input.h>
 #include <linux/gpio.h>
 #include <linux/i2c/twl.h>
+#include <linux/mtd/nand.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -124,8 +125,8 @@
 		usb_ehci_init(&ehci_pdata);
 	}
 
-	board_nand_init(zoom_nand_partitions,
-			ARRAY_SIZE(zoom_nand_partitions), ZOOM_NAND_CS);
+	board_nand_init(zoom_nand_partitions, ARRAY_SIZE(zoom_nand_partitions),
+						ZOOM_NAND_CS, NAND_BUSWIDTH_16);
 	zoom_debugboard_init();
 	zoom_peripherals_init();
 	zoom_display_init();