reproduce (this is a W=1 build):
        git checkout 63804fed149a6750ffd28610c5c1c98cce6bd377
        b4 shazam https://lore.kernel.org/r/20260127-rockchip-spdif-cleanup-and-bsp-sync-v1-10-a7c547072bbb@collabora.com

        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=$HOME/0day COMPILER=gcc-15.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sh olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-15.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash