net: set name_assign_type in alloc_netdev()

Extend alloc_netdev{,_mq{,s}}() to take name_assign_type as argument, and convert
all users to pass NET_NAME_UNKNOWN.

Coccinelle patch:

@@
expression sizeof_priv, name, setup, txqs, rxqs, count;
@@

(
-alloc_netdev_mqs(sizeof_priv, name, setup, txqs, rxqs)
+alloc_netdev_mqs(sizeof_priv, name, NET_NAME_UNKNOWN, setup, txqs, rxqs)
|
-alloc_netdev_mq(sizeof_priv, name, setup, count)
+alloc_netdev_mq(sizeof_priv, name, NET_NAME_UNKNOWN, setup, count)
|
-alloc_netdev(sizeof_priv, name, setup)
+alloc_netdev(sizeof_priv, name, NET_NAME_UNKNOWN, setup)
)

v9: move comments here from the wrong commit

Signed-off-by: Tom Gundersen <teg@jklm.no>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/appletalk/dev.c

@@ -39,6 +39,7 @@ static void ltalk_setup(struct net_device *dev)
 
 struct net_device *alloc_ltalkdev(int sizeof_priv)
 {
-	return alloc_netdev(sizeof_priv, "lt%d", ltalk_setup);
+	return alloc_netdev(sizeof_priv, "lt%d", NET_NAME_UNKNOWN,
+			    ltalk_setup);
 }
 EXPORT_SYMBOL(alloc_ltalkdev);