--- a/configs/mt7987_rfb_defconfig
+++ b/configs/mt7987_rfb_defconfig
@@ -70,6 +70,7 @@ CONFIG_SPI_FLASH_XTX=y
 CONFIG_SPI_FLASH_ZBIT=y
 CONFIG_SPI_FLASH_MTD=y
 CONFIG_MTD_UBI=y
+CONFIG_OF_LIBFDT_OVERLAY=y
 CONFIG_PHY_ETHERNET_ID=y
 CONFIG_MEDIATEK_ETH=y
 CONFIG_PINCTRL=y
--- a/configs/mt7987_emmc_rfb_defconfig
+++ b/configs/mt7987_emmc_rfb_defconfig
@@ -75,6 +75,7 @@ CONFIG_SPI_FLASH_XTX=y
 CONFIG_SPI_FLASH_ZBIT=y
 CONFIG_SPI_FLASH_MTD=y
 CONFIG_MTD_UBI=y
+CONFIG_OF_LIBFDT_OVERLAY=y
 CONFIG_PHY_ETHERNET_ID=y
 CONFIG_MEDIATEK_ETH=y
 CONFIG_PINCTRL=y
--- a/configs/mt7987_sd_rfb_defconfig
+++ b/configs/mt7987_sd_rfb_defconfig
@@ -75,6 +75,7 @@ CONFIG_SPI_FLASH_XTX=y
 CONFIG_SPI_FLASH_ZBIT=y
 CONFIG_SPI_FLASH_MTD=y
 CONFIG_MTD_UBI=y
+CONFIG_OF_LIBFDT_OVERLAY=y
 CONFIG_PHY_ETHERNET_ID=y
 CONFIG_MEDIATEK_ETH=y
 CONFIG_PINCTRL=y
