imx8mp_evk: Enable the DWC EQoS iMX driver

Enable the EQoS i.MX driver in defconfig, also enable the PHYLIB
to facilitate the case that only has FEC enabled.

Signed-off-by: Ye Li <ye.li@nxp.com>
diff --git a/configs/imx8mp_evk_defconfig b/configs/imx8mp_evk_defconfig
index 0abe137..c507b58 100644
--- a/configs/imx8mp_evk_defconfig
+++ b/configs/imx8mp_evk_defconfig
@@ -73,9 +73,12 @@
 CONFIG_MMC_HS400_SUPPORT=y
 CONFIG_FSL_ESDHC_IMX=y
 CONFIG_PHY_REALTEK=y
+CONFIG_PHYLIB=y
 CONFIG_DM_ETH=y
+CONFIG_DM_ETH_PHY=y
 CONFIG_PHY_GIGE=y
 CONFIG_DWC_ETH_QOS=y
+CONFIG_DWC_ETH_QOS_IMX=y
 CONFIG_FEC_MXC=y
 CONFIG_MII=y
 CONFIG_PINCTRL=y