mtd: nand: ndfc: show parent device in sysfs

Fix a bug where parent device symlinks aren't shown in sysfs.

While at it, make use of the default owner set by mtdcore.
Signed-off-by: Frans Klaver <fransklaver@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

drivers/mtd/nand/ndfc.c

@@ -169,7 +169,7 @@ static int ndfc_chip_init(struct ndfc_controller *ndfc,
 	chip->priv = ndfc;
 
 	ndfc->mtd.priv = chip;
-	ndfc->mtd.owner = THIS_MODULE;
+	ndfc->mtd.dev.parent = &ndfc->ofdev->dev;
 
 	flash_np = of_get_next_child(node, NULL);
 	if (!flash_np)