reproduce (this is a W=1 build):
        git checkout 8cd9520d35a6c38db6567e97dd93b1f11f185dc6
        b4 shazam https://lore.kernel.org/r/20260618-dt-cirrus-cs35l36-v1-1-1a43515666ad@ixit.cz

        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=$HOME/0day COMPILER=gcc-8.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-8.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash dt_binding_check dtbs_check