Revert "net: mdio: Delete usage of driver_deferred_probe_check_state()"

This reverts commit f8217275.

There are a few more issues to fix that have been reported in the thread
for the original series [1]. We'll need to fix those before this will work.
So, revert it for now.

[1] - https://lore.kernel.org/lkml/CAMuHMdWo_wRwV-i_iyTxVnEsf3Th9GBAG+wxUQMQGnw1t2ijTg@mail.gmail.com/

Fixes: f8217275 ("net: mdio: Delete usage of driver_deferred_probe_check_state()")
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20220819221616.2107893-3-saravanak@google.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/net/mdio/fwnode_mdio.c

@@ -47,7 +47,9 @@ int fwnode_mdiobus_phy_device_register(struct mii_bus *mdio,
 	 * just fall back to poll mode
 	 */
 	if (rc == -EPROBE_DEFER)
-		rc = -ENODEV;
+		rc = driver_deferred_probe_check_state(&phy->mdio.dev);
+	if (rc == -EPROBE_DEFER)
+		return rc;
 
 	if (rc > 0) {
 		phy->irq = rc;