config: hikey: convert to DM_USB and DM_ETH

Convert the hikey to use DM_USB and DM_ETH.

Conversion based on rpi as it has a similar DWC config.

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
diff --git a/configs/hikey_defconfig b/configs/hikey_defconfig
index 5fb4823..280a59a 100644
--- a/configs/hikey_defconfig
+++ b/configs/hikey_defconfig
@@ -25,7 +25,9 @@
 CONFIG_MMC_DW=y
 CONFIG_MMC_DW_K3=y
 CONFIG_CONS_INDEX=4
+CONFIG_DM_ETH=y
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_DWC2=y
 CONFIG_USB_HOST_ETHER=y
 CONFIG_USB_ETHER_ASIX=y