mtd: convert remaining users to mtd_device_register()

The older add_mtd_device()/add_mtd_partitions() and their removal
counterparts will soon be gone.  Replace uses with mtd_device_register()
and mtd_device_unregister().

Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c
index 6799e75..a523e2a 100644
--- a/drivers/mtd/maps/pcmciamtd.c
+++ b/drivers/mtd/maps/pcmciamtd.c
@@ -630,7 +630,7 @@
 		dev->pcmcia_map.copy_to = pcmcia_copy_to;
 	}
 
-	if(add_mtd_device(mtd)) {
+	if (mtd_device_register(mtd, NULL, 0)) {
 		map_destroy(mtd);
 		dev->mtd_info = NULL;
 		dev_err(&dev->p_dev->dev,
@@ -669,7 +669,7 @@
 	DEBUG(3, "link=0x%p", link);
 
 	if(dev->mtd_info) {
-		del_mtd_device(dev->mtd_info);
+		mtd_device_unregister(dev->mtd_info);
 		dev_info(&dev->p_dev->dev, "mtd%d: Removing\n",
 			 dev->mtd_info->index);
 		map_destroy(dev->mtd_info);