mtd: onenand: generic: show parent device in sysfs

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

While at it, take advantage of the default owner and name values set by
mtdcore.

Signed-off-by: Frans Klaver <fransklaver@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

drivers/mtd/onenand/generic.c

@@ -60,9 +60,8 @@ static int generic_onenand_probe(struct platform_device *pdev)
 	info->onenand.mmcontrol = pdata ? pdata->mmcontrol : NULL;
 	info->onenand.irq = platform_get_irq(pdev, 0);
 
-	info->mtd.name = dev_name(&pdev->dev);
+	info->mtd.dev.parent = &pdev->dev;
 	info->mtd.priv = &info->onenand;
-	info->mtd.owner = THIS_MODULE;
 
 	if (onenand_scan(&info->mtd, 1)) {
 		err = -ENXIO;