[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/include/asm-arm/arch-pxa/zylonite.h b/include/asm-arm/arch-pxa/zylonite.h
index 5f717d6..4881b80 100644
--- a/include/asm-arm/arch-pxa/zylonite.h
+++ b/include/asm-arm/arch-pxa/zylonite.h
@@ -18,6 +18,8 @@
 extern int gpio_backlight;
 extern int gpio_eth_irq;
 
+extern int wm9713_irq;
+
 extern int lcd_id;
 extern int lcd_orientation;