1CONFIG_SPL=y 2CONFIG_SYS_EXTRA_OPTIONS="PPC_T1042,T1042D4RDB,RAMBOOT_PBL,SPL_FSL_PBL,NAND,T104XD4RDB,SYS_FSL_DDR4" 3CONFIG_PPC=y 4CONFIG_MPC85xx=y 5CONFIG_TARGET_T104XRDB=y 6CONFIG_SPI_FLASH=y 7