treewide: Rename PHY_INTERFACE_MODE_NONE to PHY_INTERFACE_MODE_NA

Rename constant PHY_INTERFACE_MODE_NONE to PHY_INTERFACE_MODE_NA to make
it compatible with Linux' naming.

Signed-off-by: Marek BehĂșn <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
diff --git a/drivers/net/ti/cpsw.c b/drivers/net/ti/cpsw.c
index 5b7bab7..8988c21 100644
--- a/drivers/net/ti/cpsw.c
+++ b/drivers/net/ti/cpsw.c
@@ -1345,7 +1345,7 @@
 	}
 
 	pdata->phy_interface = data->slave_data[data->active_slave].phy_if;
-	if (pdata->phy_interface == PHY_INTERFACE_MODE_NONE)
+	if (pdata->phy_interface == PHY_INTERFACE_MODE_NA)
 		return -EINVAL;
 
 	return 0;