diff --git a/configs/tb100_defconfig b/configs/tb100_defconfig
index c753197..c94118a 100644
--- a/configs/tb100_defconfig
+++ b/configs/tb100_defconfig
@@ -2,12 +2,13 @@
 CONFIG_ARC_CACHE_LINE_SHIFT=5
 CONFIG_TARGET_TB100=y
 CONFIG_SYS_CLK_FREQ=500000000
-CONFIG_NETDEVICES=y
-CONFIG_DM_SERIAL=y
 CONFIG_SYS_TEXT_BASE=0x84000000
 CONFIG_DEFAULT_DEVICE_TREE="abilis_tb100"
 CONFIG_CMD_NET=y
 CONFIG_OF_CONTROL=y
 CONFIG_OF_EMBED=y
 CONFIG_DM=y
+CONFIG_NETDEVICES=y
 CONFIG_ETH_DESIGNWARE=y
+CONFIG_DM_SERIAL=y
+CONFIG_USE_PRIVATE_LIBGCC=y