Flex-OneNAND driver support

This patch adds support for Flex-OneNAND devices.

Signed-off-by: Rohit Hagargundgi <h.rohit@samsung.com>
Signed-off-by: Amul Kumar Saha <amul.saha@samsung.com>
diff --git a/drivers/mtd/onenand/onenand_uboot.c b/drivers/mtd/onenand/onenand_uboot.c
index 9823b5b..c642016 100644
--- a/drivers/mtd/onenand/onenand_uboot.c
+++ b/drivers/mtd/onenand/onenand_uboot.c
@@ -40,8 +40,10 @@
 
 	onenand_scan(&onenand_mtd, 1);
 
+	if (onenand_chip.device_id & DEVICE_IS_FLEXONENAND)
+		puts("Flex-");
 	puts("OneNAND: ");
-	print_size(onenand_mtd.size, "\n");
+	print_size(onenand_chip.chipsize, "\n");
 
 #ifdef CONFIG_MTD_DEVICE
 	/*