mtd: nand: Move Toshiba specific init/detection logic in nand_toshiba.c

Upstream linux commit 9b2d61f80b060c.

Move Toshiba specific initialization and detection logic into
nand_toshiba.c. This is part of the "separate vendor specific code from
core" cleanup process.

Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
index d35277d..73abb34 100644
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h
@@ -1158,6 +1158,7 @@
 extern struct nand_flash_dev nand_flash_ids[];
 extern struct nand_manufacturers nand_manuf_ids[];
 
+extern const struct nand_manufacturer_ops toshiba_nand_manuf_ops;
 extern const struct nand_manufacturer_ops samsung_nand_manuf_ops;
 extern const struct nand_manufacturer_ops hynix_nand_manuf_ops;