reproduce (this is a W=1 build):
        # https://github.com/krzk/linux/commit/50d0c16c4b24f7a7a93257981d8b547e5abe0376
        git remote add krzk-github https://github.com/krzk/linux
        git fetch --no-tags krzk-github b4/dt-bindings-watchdog-timeout
        git checkout 50d0c16c4b24f7a7a93257981d8b547e5abe0376

        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # clang-22 might not be officially released. Try a lower version if installation fails.
        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=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash dtbs_check