net: stmmac: Enable mac_managed_pm phylink config

Enable the mac_managed_pm configuration in the phylink_config
structure to avoid the kernel warning during system resume.

Fixes: 744d23c7 ("net: phy: Warn about incorrect mdio_bus_phy_resume() state")
Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

@@ -1214,6 +1214,7 @@ static int stmmac_phy_setup(struct stmmac_priv *priv)
 	if (priv->plat->tx_queues_to_use > 1)
 		priv->phylink_config.mac_capabilities &=
 			~(MAC_10HD | MAC_100HD | MAC_1000HD);
+	priv->phylink_config.mac_managed_pm = true;
 
 	phylink = phylink_create(&priv->phylink_config, fwnode,
 				 mode, &stmmac_phylink_mac_ops);