u-boot移植，遇到以下问题

sgcy43

使用NXP官方的uboot编译，按照教程添加MX6ULL开发板，执行shell脚本出现以下错误：
      HOSTLD scripts/kconfig/cong
scripts/kconfig/conf     --silentoldconfig Kconfig
***
*** Configuration file ".config" not found！
***
*** Please run some configurator (e.g. "make oldconfig" or

*** "make menuconfig" or "make xconfig").
***
scripts/kconfig/Makefile:46: recipe for target 'silentoldconfig' failed
make[2]: *** [silentoldconfig] Error 1
Makefile: 477: recipe for target 'silentoldconfig' failed
make[1]: *** [silentoldconfig] Error 2
make: *** No rule to make target 'include/config/auto.conf', needed by 'include/config/uboot.release'。停止。
./mx6ull_alientek_emmc.sh:行 4: mx6ull_alientek_emmc_deconfig: 未找到命令
make -f ./Makefile silentoldconfig
make -f ./scripts/Makefile.build obj=scripts/basic
rm -f .tmp_quiet_recordmcount
make -f ./scripts/Makefile.build obj=scripts/kconfig silentoldconfig
mkdir -p include/config include/generated
scripts/kconfig/conf    --silentoldconfig Kconfig
***
*** Configuration file ".config" not found
***
***Please run some configurator  (e.g. "make oldconfig" or
*** "make menuconfig" or "make xconfig").
***

scripts/kconfig/Makefile:46: recipe for target 'silentoldconfig' failed
make[2]: *** [silentoldconfig] Error 1
Makefile:477: recipe for target 'silentoldconfig' failed
make[1]: *** [silentoldconfig] Error 2
make: *** No rule to make target 'include/config/auto.conf', needed by 'include/config/uboot.release'。停止。