configs: meson: use Designware glue driver for Amlogic Meson8b & later SoCs

Use the proper Synopsys DWMAC Meson8b glue to handle the ethernet link type.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/configs/libretech-ac_defconfig b/configs/libretech-ac_defconfig
index 3889742..b383dfb 100644
--- a/configs/libretech-ac_defconfig
+++ b/configs/libretech-ac_defconfig
@@ -47,7 +47,7 @@
 CONFIG_SPI_FLASH_SPANSION=y
 CONFIG_PHY_MESON_GXL=y
 CONFIG_DM_ETH=y
-CONFIG_ETH_DESIGNWARE=y
+CONFIG_ETH_DESIGNWARE_MESON8B=y
 CONFIG_MESON_GXL_USB_PHY=y
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_MESON_GXL=y