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/atlx/atl2.c b/drivers/net/atlx/atl2.c
index d0bcb57..10c06b9 100644
--- a/drivers/net/atlx/atl2.c
+++ b/drivers/net/atlx/atl2.c
@@ -2094,7 +2094,7 @@
 	return 0;
 }
 
-static struct ethtool_ops atl2_ethtool_ops = {
+static const struct ethtool_ops atl2_ethtool_ops = {
 	.get_settings		= atl2_get_settings,
 	.set_settings		= atl2_set_settings,
 	.get_drvinfo		= atl2_get_drvinfo,