configs: add eth dm support for all ColdFire boards

Add dm eth config options for all involved ColdFire-based boards.

Signed-off-by: Angelo Durgehello <angelo.dureghello@timesys.com>
diff --git a/configs/M5485AFE_defconfig b/configs/M5485AFE_defconfig
index ab96ba7..34e1cb7 100644
--- a/configs/M5485AFE_defconfig
+++ b/configs/M5485AFE_defconfig
@@ -23,7 +23,10 @@
 CONFIG_SYS_FLASH_USE_BUFFER_WRITE=y
 CONFIG_SYS_FLASH_PROTECTION=y
 CONFIG_SYS_FLASH_CFI=y
+CONFIG_DM_ETH=y
+CONFIG_FSLDMAFEC=y
 CONFIG_MII=y
+CONFIG_PHY=y
 CONFIG_PCI=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y