driver core: auxiliary bus: fix OF node leak

Make sure to drop the OF node reference taken when creating an auxiliary
device using auxiliary_device_create() when the device is later
released.

Fixes: eaa0d30216c1 ("driver core: auxiliary bus: add device creation helpers")
Cc: Jerome Brunet <[e-mail]>
Signed-off-by: Johan Hovold <[e-mail]>
Reviewed-by: Danilo Krummrich <[e-mail]>
Reviewed-by: Jerome Brunet <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/base/auxiliary.c

···
 {
 	struct auxiliary_device *auxdev = to_auxiliary_dev(dev);
 
+	of_node_put(dev->of_node);
 	kfree(auxdev);
 }
 
···
 
 	ret = auxiliary_device_init(auxdev);
 	if (ret) {
+		of_node_put(auxdev->dev.of_node);
 		kfree(auxdev);
 		return NULL;
 	}