[NET]: ethtool_perm_addr only has one implementation

All drivers implement ethtool get_perm_addr the same way -- by calling
the generic function.  So we can inline the generic function into the
caller and avoid going through the drivers.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/3c59x.c

@@ -2886,7 +2886,6 @@ static const struct ethtool_ops vortex_ethtool_ops = {
 	.set_settings           = vortex_set_settings,
 	.get_link               = ethtool_op_get_link,
 	.nway_reset             = vortex_nway_reset,
-	.get_perm_addr		= ethtool_op_get_perm_addr,
 };
 
 #ifdef CONFIG_PCI