Fix compile for onenand

Reapply more missing omap gpio conversions that got reverted
when switching to use the mainline version of the driver.
Signed-off-by: Tony Lindgren <tony@atomide.com>

drivers/mtd/onenand/omap2.c

@@ -149,7 +149,7 @@ static int omap2_onenand_wait(struct mtd_info *mtd, int state)
 
 		INIT_COMPLETION(c->irq_done);
 		if (c->gpio_irq) {
-			result = omap_get_gpio_datain(c->gpio_irq);
+			result = gpio_get_value(c->gpio_irq);
 			if (result == -1) {
 				ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS);
 				intr = read_reg(c, ONENAND_REG_INTERRUPT);
@@ -634,7 +634,7 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev)
 				"OneNAND\n", c->gpio_irq);
 			goto err_iounmap;
 	}
-	omap_set_gpio_direction(c->gpio_irq, 1);
+	gpio_direction_input(c->gpio_irq);
 
 	if ((r = request_irq(gpio_to_irq(c->gpio_irq),
 			     omap2_onenand_interrupt, IRQF_TRIGGER_RISING,