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/nand/autcpu12.c b/drivers/mtd/nand/autcpu12.c
index 0911cf0..eddc9a2 100644
--- a/drivers/mtd/nand/autcpu12.c
+++ b/drivers/mtd/nand/autcpu12.c
@@ -185,20 +185,20 @@
 	/* Register the partitions */
 	switch (autcpu12_mtd->size) {
 		case SZ_16M:
-			add_mtd_partitions(autcpu12_mtd, partition_info16k,
-					   NUM_PARTITIONS16K);
+			mtd_device_register(autcpu12_mtd, partition_info16k,
+					    NUM_PARTITIONS16K);
 			break;
 		case SZ_32M:
-			add_mtd_partitions(autcpu12_mtd, partition_info32k,
-					   NUM_PARTITIONS32K);
+			mtd_device_register(autcpu12_mtd, partition_info32k,
+					    NUM_PARTITIONS32K);
 			break;
 		case SZ_64M:
-			add_mtd_partitions(autcpu12_mtd, partition_info64k,
-					   NUM_PARTITIONS64K);
+			mtd_device_register(autcpu12_mtd, partition_info64k,
+					    NUM_PARTITIONS64K);
 			break;
 		case SZ_128M:
-			add_mtd_partitions(autcpu12_mtd, partition_info128k,
-					   NUM_PARTITIONS128K);
+			mtd_device_register(autcpu12_mtd, partition_info128k,
+					    NUM_PARTITIONS128K);
 			break;
 		default:
 			printk("Unsupported SmartMedia device\n");