switchdev: Support parent ID comparison for stacked devices

switchdev_port_same_parent_id() currently expects port netdevs, but we
need it to support stacked devices in the next patch, so drop the
NO_RECURSE flag.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/switchdev/switchdev.c

@@ -1292,12 +1292,10 @@ bool switchdev_port_same_parent_id(struct net_device *a,
 	struct switchdev_attr a_attr = {
 		.orig_dev = a,
 		.id = SWITCHDEV_ATTR_ID_PORT_PARENT_ID,
-		.flags = SWITCHDEV_F_NO_RECURSE,
 	};
 	struct switchdev_attr b_attr = {
 		.orig_dev = b,
 		.id = SWITCHDEV_ATTR_ID_PORT_PARENT_ID,
-		.flags = SWITCHDEV_F_NO_RECURSE,
 	};
 
 	if (switchdev_port_attr_get(a, &a_attr) ||