ARM: OMAP: fix OMAP1 mpuio suspend/resume oops

Fix oops in omap16xx mpuio suspend/resume code; field wasn't initialized
Signed-off-by: NDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: NTony Lindgren <tony@atomide.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/plat-omap/gpio.c

@@ -1178,6 +1178,8 @@ static struct platform_device omap_mpuio_device = {
 
 static inline void mpuio_init(void)
 {
+	platform_set_drvdata(&omap_mpuio_device, &gpio_bank_1610[0]);
+
 	if (platform_driver_register(&omap_mpuio_driver) == 0)
 		(void) platform_device_register(&omap_mpuio_device);
 }