mtd: OneNAND: allow board init function fail

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
diff --git a/board/samsung/goni/onenand.c b/board/samsung/goni/onenand.c
index b74d8e8..cbe1d12f 100644
--- a/board/samsung/goni/onenand.c
+++ b/board/samsung/goni/onenand.c
@@ -11,11 +11,13 @@
 #include <linux/mtd/samsung_onenand.h>
 #include <onenand_uboot.h>
 
-void onenand_board_init(struct mtd_info *mtd)
+int onenand_board_init(struct mtd_info *mtd)
 {
 	struct onenand_chip *this = mtd->priv;
 
 	this->base = (void *)CONFIG_SYS_ONENAND_BASE;
 	this->options |= ONENAND_RUNTIME_BADBLOCK_CHECK;
 	this->chip_probe = s5pc110_chip_probe;
+
+	return 0;
 }