1CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/mx6sxsabresd/imximage.cfg,MX6SX" 2CONFIG_ARM=y 3CONFIG_TARGET_MX6SXSABRESD=y 4CONFIG_SYS_MALLOC_F=y 5CONFIG_SYS_MALLOC_F_LEN=0x400 6