reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/robertosassu/linux/commit/49621962de7e9bad18b99e21dcb8b32f5af7b61e
        git remote add robertosassu https://github.com/robertosassu/linux
        git fetch --no-tags robertosassu evm-fscaps-v2
        git checkout 49621962de7e9bad18b99e21dcb8b32f5af7b61e
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-15 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-15 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash security/