bmips: enable ar-5315u enet support

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
diff --git a/configs/comtrend_ar5315u_ram_defconfig b/configs/comtrend_ar5315u_ram_defconfig
index d9ef52e..1b8e4e4 100644
--- a/configs/comtrend_ar5315u_ram_defconfig
+++ b/configs/comtrend_ar5315u_ram_defconfig
@@ -28,11 +28,14 @@
 CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
 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="comtrend,ar-5315u"
-# 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_LED=y
 CONFIG_LED_BCM6328=y
@@ -41,6 +44,8 @@
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_SPI_FLASH_MTD=y
+CONFIG_DM_ETH=y
+CONFIG_BCM6368_ETH=y
 CONFIG_PHY=y
 CONFIG_BCM6318_USBH_PHY=y
 CONFIG_BCM6328_POWER_DOMAIN=y