-CONFIG_SYS_EXTRA_OPTIONS=MMC_BOOT_SIZE=1024
+CONFIG_SYS_EXTRA_OPTIONS="MMC_BOOT_SIZE=1024"
CONFIG_ARM=y
-CONFIG_MX6DL=y
CONFIG_TARGET_TX6=y
CONFIG_TARGET_TX6U_8033=y
CONFIG_TX6_UBOOT=y
CONFIG_MXC_OCOTP=y
CONFIG_CMD_FUSE=y
CONFIG_PHY_SMSC=y
+CONFIG_SYS_PROMPT="TX6DL U-Boot > "