ARM: mx3: mx31lilly: pass mc13783 SPI IRQ pin

This makes the resistive touch interface work.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arch/arm/mach-mx3/mach-mx31lilly.c

@@ -277,6 +277,7 @@ static struct spi_board_info mc13783_dev __initdata = {
 	.bus_num	= 1,
 	.chip_select	= 0,
 	.platform_data	= &mc13783_pdata,
+	.irq		= IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
 };
 
 static int mx31lilly_baseboard;