gpio/omap: use pinctrl offset instead of macro

Use regs->pinctrl field instead of using the macro OMAP1510_GPIO_PIN_CONTROL

Signed-off-by: Charulatha V <charu@ti.com>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>

arch/arm/mach-omap1/gpio15xx.c

@@ -85,6 +85,7 @@ static struct omap_gpio_reg_offs omap15xx_gpio_regs = {
 	.irqenable	= OMAP1510_GPIO_INT_MASK,
 	.irqenable_inv	= true,
 	.irqctrl	= OMAP1510_GPIO_INT_CONTROL,
+	.pinctrl	= OMAP1510_GPIO_PIN_CONTROL,
 };
 
 static struct __initdata omap_gpio_platform_data omap15xx_gpio_config = {