[ARM] 4976/1: zylonite: Configure GPIO for WM9713 IRQ line

Set up the IRQ line for the WM9713 device on the Zylonite.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: eric miao <eric.y.miao@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-pxa/zylonite.c b/arch/arm/mach-pxa/zylonite.c
index 9ca1d53..dbb5462 100644
--- a/arch/arm/mach-pxa/zylonite.c
+++ b/arch/arm/mach-pxa/zylonite.c
@@ -36,6 +36,8 @@
 int gpio_backlight;
 int gpio_eth_irq;
 
+int wm9713_irq;
+
 int lcd_id;
 int lcd_orientation;