net: bcmgenet: use kcalloc instead of kzalloc

There were two places that used kzalloc() with a multiplied sizeof(),
replace these with kcalloc as recommended by checkpatch.pl.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c
index bdd1241..1896161 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
@@ -381,7 +381,7 @@
 	snprintf(bus->id, MII_BUS_ID_SIZE, "%s-%d",
 		 priv->pdev->name, priv->pdev->id);
 
-	bus->irq = kzalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
+	bus->irq = kcalloc(PHY_MAX_ADDR, sizeof(int), GFP_KERNEL);
 	if (!bus->irq) {
 		mdiobus_free(priv->mii_bus);
 		return -ENOMEM;