reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/48694201a4e43273d47a3c5ffe2196ab5788d8d4
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Sander-Speetjens/dt-bindings-rtc-Add-missing-type-to-trickle-voltage-millivolt/20261001-213701
        git checkout 48694201a4e43273d47a3c5ffe2196ab5788d8d4

        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # clang-24 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=$HOME/0day COMPILER=clang-24 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-24 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/rtc/