reproduce (this is a W=1 build):
        git checkout 728e68a889bcf257b1e67298b12c360e5c3a13e0
        b4 shazam https://lore.kernel.org/r/20260630-rtc_s35390a_int1-v1-3-1b2239e16be2@posteo.de

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