netdev: drivers should make ethtool_ops const

No need to put ethtool_ops in data, they should be const.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ps3_gelic_net.c b/drivers/net/ps3_gelic_net.c
index a3932c9..b211613 100644
--- a/drivers/net/ps3_gelic_net.c
+++ b/drivers/net/ps3_gelic_net.c
@@ -1346,7 +1346,7 @@
 	return status;
 }
 
-static struct ethtool_ops gelic_ether_ethtool_ops = {
+static const struct ethtool_ops gelic_ether_ethtool_ops = {
 	.get_drvinfo	= gelic_net_get_drvinfo,
 	.get_settings	= gelic_ether_get_settings,
 	.get_link	= ethtool_op_get_link,