reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        git remote add android-common https://android.googlesource.com/kernel/common
        git fetch --no-tags android-common android15-6.6-desktop
        git checkout 8b8cc4cb3a1195ade50cf5c71ffe3b090dabf5dd
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 olddefconfig
        ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash dtbs_check