reproduce (this is a W=1 build):
        git remote add stefandoesinger-zx297520 https://gitlab.com/stefandoesinger/zx297520-kernel
        git fetch --no-tags stefandoesinger-zx297520 dlink
        git checkout cddef517753ece0697a39bc43f14f16a9597cc9e

        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=$HOME/0day COMPILER=gcc-16.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=riscv olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-16.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash