reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/nunojsa/linux/commit/764e9a3482f91d868b9b5e3637499312ca40d86c
        git remote add nsa https://github.com/nunojsa/linux
        git fetch --no-tags nsa b4/b4-dev-adp5589-fw-conversion
        git checkout 764e9a3482f91d868b9b5e3637499312ca40d86c
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sparc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash