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/usb/catc.c b/drivers/net/usb/catc.c
index 0ffc0c6..2bed6b0 100644
--- a/drivers/net/usb/catc.c
+++ b/drivers/net/usb/catc.c
@@ -698,7 +698,7 @@
 	return 0;
 }
 
-static struct ethtool_ops ops = {
+static const struct ethtool_ops ops = {
 	.get_drvinfo = catc_get_drvinfo,
 	.get_settings = catc_get_settings,
 	.get_link = ethtool_op_get_link