ti: drop value from CONFIG_SYS_NAND_BUSWIDTH_16BIT

Signed-off-by: Stefano Babic <sbabic@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/omap3_overo.h b/include/configs/omap3_overo.h
index a1a90ec..cbaf692 100644
--- a/include/configs/omap3_overo.h
+++ b/include/configs/omap3_overo.h
@@ -227,7 +227,7 @@
 #define CONFIG_SYS_CACHELINE_SIZE	64
 
 /* NAND boot config */
-#define CONFIG_SYS_NAND_BUSWIDTH_16BIT	16
+#define CONFIG_SYS_NAND_BUSWIDTH_16BIT
 #define CONFIG_SYS_NAND_MAX_ECCPOS  56
 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
 #define CONFIG_SYS_NAND_PAGE_COUNT	64