flexbuild_lsdk2108构建CST错误怎么处理？

构建 CST ...
未找到 cst
make[3] 的有效回购信息：*** [/flexbuild/packages/apps/security/cst.mk:10: cst] Error 1
make[3]: Leaving directory \'/flexbuild /packages/apps\'
make[2]: *** [Makefile:25: cst] Error 2
make[2]: Leaving directory \'/flexbuild\'
cp: cannot stat \'/flexbuild/components/apps/security/cst/srk 。
_
_ firmware/u-boot/ls1046apscb/uboot_ls1046apscb_tfa_SECURE_BOOT.bin TRUSTED_BOARD_BOOT=1 CST_DIR=/flexbuild/components/apps/security/cst
make[2]: 进入目录\'/flexbuild/components/firmware/atf\'
board PAth = plat/nxp/soc-ls1046a/ls1046apscb在 BL2 代码中
设置 chssis SFP -boot/ls1046apscb/uboot_ls1046apscb_tfa_SECURE_BOOT.bin


make[2]: /flexbuild/components/apps/security/cst/create_hdr_esbc: 命令未找到
make[2]: *** [Makefile:1128: /flexbuild/components/firmware/atf/build/ls1046apscb/release/bl33 .bin.cst] Error 127
make[2]: *** Waiting for unfinished jobs....
构建工具/fiptool/fiptool
HOSTCC fiptool.c
HOSTCC tbbr_config.c
HOSTLD fiptool
成功构建fiptool

make[2]: 离开目录 \'/flexbuild/components/firmware/atf\'
cp: cannot stat \'build/ls1046apscb/release/bl2_sd*.pbl\': No such file or directory
make[1]: *** [atf. mk:11: atf] 错误 1
​​make[1]: 离开目录 \'/flexbuild/packages/firmware\'
make: *** [Makefile:19: atf] 错误 2
make: 离开目录 \'/flexbuild\'