phy: berlin-sata: Use devm_kcalloc at appropriate place

Prefer devm_kcalloc over devm_kzalloc with multiply.

Signed-off-by: Axel Lin <[e-mail]>
Signed-off-by: Kishon Vijay Abraham I <[e-mail]>

drivers/phy/phy-berlin-sata.c

···
 	if (priv->nphys == 0)
 		return -ENODEV;
 
-	priv->phys = devm_kzalloc(dev, priv->nphys * sizeof(*priv->phys),
+	priv->phys = devm_kcalloc(dev, priv->nphys, sizeof(*priv->phys),
 				  GFP_KERNEL);
 	if (!priv->phys)
 		return -ENOMEM;