CONFIG_MTDIDS_DEFAULT="nand0=ff800000.flash"
CONFIG_MTDPARTS_DEFAULT="mtdparts=ff800000.flash:2m(uboot-env),1m(dtb),5m(kernel),56m(fs),-(usr)"
CONFIG_OF_CONTROL=y
+CONFIG_ENV_OVERWRITE=y
CONFIG_ENV_IS_IN_SPI_FLASH=y
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_DM=y