net: fsl_pq_mdio: Fix device node reference leak in fsl_pq_mdio_probe

Add missing of_node_put call to release device node tbi obtained
via for_each_child_of_node.

Fixes: afae5ad78b342 ("net/fsl_pq_mdio: streamline probing of MDIO nodes")
Signed-off-by: Erick Karanja <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

drivers/net/ethernet/freescale/fsl_pq_mdio.c

···
 					"missing 'reg' property in node %pOF\n",
 					tbi);
 				err = -EBUSY;
+				of_node_put(tbi);
 				goto error;
 			}
 			set_tbipa(*prop, pdev,
 				  data->get_tbipa, priv->map, &res);
+			of_node_put(tbi);
 		}
 	}