mtd: nand: Increase the max OOB size

Some NANDs are now exposing 1664 OOB bytes per page. Adjust the
NAND_MAX_OOBSIZE value accordingly.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 29aae43..87d72db 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -48,7 +48,7 @@
  * is supported now. If you add a chip with bigger oobsize/page
  * adjust this accordingly.
  */
-#define NAND_MAX_OOBSIZE       1216
+#define NAND_MAX_OOBSIZE       1664
 #define NAND_MAX_PAGESIZE      16384
 
 /*