net: usb: ax88179_178a: remove redundant assignment to variable ret

The variable ret is being initializeed with a value that is never read
and it is being updated later with a new value. The initialization
is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/usb/ax88179_178a.c

@@ -860,7 +860,7 @@ static int ax88179_set_eee(struct net_device *net, struct ethtool_eee *edata)
 {
 	struct usbnet *dev = netdev_priv(net);
 	struct ax88179_data *priv = (struct ax88179_data *)dev->data;
-	int ret = -EOPNOTSUPP;
+	int ret;
 
 	priv->eee_enabled = edata->eee_enabled;
 	if (!priv->eee_enabled) {