reproduce (this is a W=1 build):
        git checkout f068b204555ad62d6a841a49feb4ea8c4f45b25c
        b4 shazam https://lore.kernel.org/r/20260511-04-k3-pwm-dts-v1-1-81fcde1871f8@kernel.org

        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=$HOME/0day COMPILER=gcc-11.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=riscv olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash dt_binding_check dtbs_check