reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/morimoto/linux/commit/82ec4a00dba0ddb0f6ec6b4fe23a3d888eaa84ef
        git remote add morimoto https://github.com/morimoto/linux
        git fetch --no-tags morimoto sound-cleanup-2025-04-16
        git checkout 82ec4a00dba0ddb0f6ec6b4fe23a3d888eaa84ef
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.3.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.3.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash sound/soc/