reproduce (this is a W=1 build):
        git checkout 6146a0f1dfae5d37442a9ddcba012add260bceb0
        b4 shazam https://lore.kernel.org/r/20251107-gunyah_watchdog-v5-1-4c6e3fb6eb17@oss.qualcomm.com

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