OneNAND: Fill in MTD function pointers for OneNAND.

onenand_print_device_info():
 - Now returns a string to be placed in mtd->name,
   rather than calling printf.
 - Remove verbose parameter as it becomes useless.

Signed-off-by: Fathi Boudra <fabo@debian.org>
Signed-off-by: Scott Wood <scottwood@freescale.com>
diff --git a/common/cmd_onenand.c b/common/cmd_onenand.c
index d6d3376..419bf70 100644
--- a/common/cmd_onenand.c
+++ b/common/cmd_onenand.c
@@ -38,7 +38,7 @@
 			onenand_init();
 			return 0;
 		}
-		onenand_print_device_info(onenand_chip.device_id, 1);
+		printf("%s\n", onenand_mtd.name);
 		return 0;
 
 	default: