reproduce (this is a W=1 build):
        # https://github.com/krzk/linux/commit/a185cddcfe370dc12ac5ddeafebeb7a57bd42563
        git remote add krzk-github https://github.com/krzk/linux
        git fetch --no-tags krzk-github b4/firmare-acpm-counted
        git checkout a185cddcfe370dc12ac5ddeafebeb7a57bd42563

        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-17 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-17 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/firmware/samsung/