staging: octeon: fix coding style

This patch fixes checkpatch.pl warning. Add blank line after
declaration.
Signed-off-by: NRahul Bedarkar <rahulbedarkar89@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/octeon/ethernet-xaui.c

@@ -128,6 +128,7 @@ int cvm_oct_xaui_stop(struct net_device *dev)
 int cvm_oct_xaui_init(struct net_device *dev)
 {
 	struct octeon_ethernet *priv = netdev_priv(dev);
+
 	cvm_oct_common_init(dev);
 	dev->netdev_ops->ndo_stop(dev);
 	if (!octeon_is_simulation() && priv->phydev == NULL)