imx8mm-cl-iot-gate: Retrieve the MAC address from EEPROM

Currently the eth0 MAC address is randomly assigned.

Retrieve the MAC address from EEPROM.

Signed-off-by: Fabio Estevam <festevam@denx.de>
diff --git a/configs/imx8mm-cl-iot-gate_defconfig b/configs/imx8mm-cl-iot-gate_defconfig
index 0ef9e25..9265299 100644
--- a/configs/imx8mm-cl-iot-gate_defconfig
+++ b/configs/imx8mm-cl-iot-gate_defconfig
@@ -85,6 +85,8 @@
 CONFIG_MXC_GPIO=y
 CONFIG_DM_I2C=y
 CONFIG_DM_KEYBOARD=y
+CONFIG_MISC=y
+CONFIG_I2C_EEPROM=y
 CONFIG_SUPPORT_EMMC_RPMB=y
 CONFIG_SUPPORT_EMMC_BOOT=y
 CONFIG_FSL_USDHC=y