Remove default debug mode in uboot

Change-Id: I31102586bcb83e0d81b36825f898336032aeac27
diff --git a/include/configs/board953x.h b/include/configs/board953x.h
index aacb288..fb9bdfe 100755
--- a/include/configs/board953x.h
+++ b/include/configs/board953x.h
@@ -276,7 +276,7 @@
 #endif
 
 #define CONFIG_EXTRA_ENV_SETTINGS	\
-	"dir=\0" "ACTIVATED_KERNEL_NAME=kernel0\0" "extra_bootargs=debug=1 factory=0 wifical=0\0" \
+	"dir=\0" "ACTIVATED_KERNEL_NAME=kernel0\0" "extra_bootargs=debug=0 factory=0 wifical=0\0" \
 	ATH_U_CMD ATH_F_CMD ATH_K_CMD ATH_RESET_FAILOVER_CMD ATH_ENABLE_WATCHDOG_CMD
 
 #define	CONFIG_BOOTARGS		"console=ttyS0,115200 root=" ATH_ROOT_DEV " rootfstype=squashfs init=/init " MTDPARTS_DEFAULT