[ARM] pxa: use IORESOURCE_IRQ_* instead of IRQF_* for IRQ resource

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-pxa/littleton.c b/arch/arm/mach-pxa/littleton.c
index 5306544..8a8ef2b 100644
--- a/arch/arm/mach-pxa/littleton.c
+++ b/arch/arm/mach-pxa/littleton.c
@@ -101,7 +101,7 @@
 	[1] = {
 		.start	= IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
 		.end	= IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
-		.flags	= IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
+		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 	}
 };