CONFIG_DFU_MMC=y
CONFIG_DFU_RAM=y
CONFIG_DFU_MTD=y
+CONFIG_DFU_VIRT=y
CONFIG_USB_FUNCTION_FASTBOOT=y
CONFIG_FASTBOOT_BUF_ADDR=0xC0000000
CONFIG_FASTBOOT_BUF_SIZE=0x02000000
CONFIG_SUPPORT_EMMC_BOOT=y
CONFIG_STM32_SDMMC2=y
CONFIG_MTD=y
-CONFIG_NAND=y
+CONFIG_DM_MTD=y
+CONFIG_MTD_RAW_NAND=y
CONFIG_NAND_STM32_FMC2=y
+CONFIG_MTD_SPI_NAND=y
CONFIG_DM_SPI_FLASH=y
CONFIG_SPI_FLASH_MACRONIX=y
CONFIG_SPI_FLASH_SPANSION=y