net: mscc: ocelot: break apart vlan operations into ocelot_vlan_{add, del}

We need an implementation of these functions that is agnostic to the
higher layer (switchdev or dsa).

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 file changed