configs: arbel_evb: enable arbel feature

Enable GPIO_HOG, net, WDT feature for Arbel EVB.

Signed-off-by: Jim Liu <JJLIU0@nuvoton.com>
diff --git a/configs/arbel_evb_defconfig b/configs/arbel_evb_defconfig
index 2ef2e25..4a58146 100644
--- a/configs/arbel_evb_defconfig
+++ b/configs/arbel_evb_defconfig
@@ -106,3 +106,17 @@
 CONFIG_LIB_HW_RAND=y
 CONFIG_TPM=y
 CONFIG_SHA_HW_ACCEL=y
+# CONFIG_WATCHDOG_AUTOSTART is not set
+CONFIG_WATCHDOG_TIMEOUT_MSECS=120000
+CONFIG_WDT=y
+CONFIG_WDT_NPCM=y
+CONFIG_NPCM_SGPIO=y
+CONFIG_GPIO_HOG=y
+CONFIG_NET_RETRY_COUNT=6
+CONFIG_IPV6=y
+CONFIG_IPV6_ROUTER_DISCOVERY=y
+CONFIG_CMD_PXE=y
+CONFIG_CMD_DHCP6=y
+CONFIG_BOOTP_PXE_DHCP_OPTION=y
+CONFIG_DHCP6_PXE_DHCP_OPTION=y
+CONFIG_DHCP6_ENTERPRISE_ID=311