[ARM] pxa/magician: register pda_power IRQs as rising/falling edge

so they can be shared with gpio_vbus.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index 7fd3123..9ca16ec 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -626,13 +626,15 @@
 static struct resource power_supply_resources[] = {
 	[0] = {
 		.name  = "ac",
-		.flags = IORESOURCE_IRQ,
+		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
+		         IORESOURCE_IRQ_LOWEDGE,
 		.start = IRQ_MAGICIAN_VBUS,
 		.end   = IRQ_MAGICIAN_VBUS,
 	},
 	[1] = {
 		.name  = "usb",
-		.flags = IORESOURCE_IRQ,
+		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
+		         IORESOURCE_IRQ_LOWEDGE,
 		.start = IRQ_MAGICIAN_VBUS,
 		.end   = IRQ_MAGICIAN_VBUS,
 	},