1CONFIG_SYS_EXTRA_OPTIONS="QSPI_BOOT" 2CONFIG_ARM=y 3CONFIG_DM_SPI=y 4CONFIG_DM=y 5CONFIG_OF_CONTROL=y 6CONFIG_SPI_FLASH=y 7CONFIG_SPI_FLASH_ATMEL=y 8CONFIG_SPI_FLASH_STMICRO=y 9CONFIG_NETDEVICES=y 10CONFIG_E1000=y 11CONFIG_SYS_NS16550=y 12CONFIG_FSL_DSPI=y 13CONFIG_FSL_QSPI=y 14CONFIG_TARGET_LS1021AIOT=y 15CONFIG_DEFAULT_DEVICE_TREE="ls1021a-iot-duart" 16