reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/krzk/linux/commit/c338340959227650ac01be812a1e86a8d305aa76
        git remote add krzk-github https://github.com/krzk/linux
        git fetch --no-tags krzk-github wip/debug/soundwire-wsa884x-interrupts
        git checkout c338340959227650ac01be812a1e86a8d305aa76
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash dtbs_check