arch/arm64/Makefile: No such file or directory

ghasem110

processing option: extboot
============Start building kernel============
TARGET_ARCH          =arm64
TARGET_KERNEL_CONFIG =rockchip_linux_defconfig
TARGET_KERNEL_DTS    =roc-rk3588-rt
TARGET_KERNEL_CONFIG_FRAGMENT =rk3588_linux.config firefly-linux.config
==========================================
/home/infinity-elex/projects/mbdlinux/firefly_rk3588_SDK
Makefile:632: arch/arm64/Makefile: No such file or directory
make[1]: *** No rule to make target 'arch/arm64/Makefile'.  Stop.
make: *** [Makefile:357: __build_one_by_one] Error 2
ERROR: Running build_extboot failed!
ERROR: exit code 2 from line 786:
    make ARCH=$RK_ARCH $RK_KERNEL_DEFCONFIG $RK_KERNEL_DEFCONFIG_FRAGMENT