reproduce (this is a W=1 build):
        git checkout c5411c8b9ed1caf53604bb1a5be3f487988efc98
        b4 shazam https://lore.kernel.org/r/86f532ae3a9b3f122b9d5dbada9c131a0c048ca7.1762777931.git.marcelo.schmitt@analog.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=$HOME/0day COMPILER=gcc-11.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=nios2 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=nios2 SHELL=/bin/bash