1CONFIG_ARM=y 2CONFIG_TARGET_AM43XX_EVM=y 3CONFIG_SPL=y 4CONFIG_SYS_EXTRA_OPTIONS="SERIAL1,CONS_INDEX=1,NAND,SPL_USB_HOST_SUPPORT" 5# CONFIG_CMD_IMLS is not set 6# CONFIG_CMD_FLASH is not set 7# CONFIG_CMD_SETEXPR is not set 8CONFIG_SPI_FLASH=y 9