bmips: enable hg556a enet support

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
diff --git a/configs/huawei_hg556a_ram_defconfig b/configs/huawei_hg556a_ram_defconfig
index 6bb14ba..d4e6144 100644
--- a/configs/huawei_hg556a_ram_defconfig
+++ b/configs/huawei_hg556a_ram_defconfig
@@ -25,11 +25,14 @@
 CONFIG_CMD_MEMINFO=y
 # CONFIG_CMD_LOADS is not set
 CONFIG_CMD_USB=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
 # CONFIG_CMD_MISC is not set
 CONFIG_OF_EMBED=y
 CONFIG_DEFAULT_DEVICE_TREE="huawei,hg556a"
-# CONFIG_NET is not set
+CONFIG_NET_RANDOM_ETHADDR=y
 # CONFIG_DM_DEVICE_REMOVE is not set
+CONFIG_BCM6348_IUDMA=y
 CONFIG_DM_GPIO=y
 CONFIG_BCM6345_GPIO=y
 CONFIG_LED=y
@@ -40,6 +43,9 @@
 CONFIG_CFI_FLASH=y
 CONFIG_SYS_FLASH_PROTECTION=y
 CONFIG_SYS_FLASH_CFI=y
+CONFIG_PHY_FIXED=y
+CONFIG_DM_ETH=y
+CONFIG_BCM6348_ETH=y
 CONFIG_PHY=y
 CONFIG_BCM6358_USBH_PHY=y
 CONFIG_DM_RESET=y