As ENOTSUPP is specific to NFS, change the return error value to
EOPNOTSUPP in various places in the mlxsw driver.
Signed-off-by: Yotam Gigi <yotamg@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>