ARM: EXYNOS4: Fix smsc9215 irq polarity on SMDKV310

This patch fixes smsc9215 irq ploarity configuration of SMDKV310.
We can change type of EINT(5) as HIGH, but it's better to change
IRQ output of smsc9215 as an active low because smsc's IRQ line
has been pull-up.
Signed-off-by: NJeongtae Park <jtp.park@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-exynos4/mach-smdkv310.c

@@ -127,7 +127,7 @@ static struct resource smdkv310_smsc911x_resources[] = {
 };
 
 static struct smsc911x_platform_config smsc9215_config = {
-	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
+	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 	.irq_type	= SMSC911X_IRQ_TYPE_PUSH_PULL,
 	.flags		= SMSC911X_USE_16BIT | SMSC911X_FORCE_INTERNAL_PHY,
 	.phy_interface	= PHY_INTERFACE_MODE_MII,