reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-misc.git/commit/?id=7ffdabe098c9cf39a55e78ce2001c23004c49dae
        git remote add sre-misc https://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-misc.git
        git fetch --no-tags sre-misc thinkpad-t14s-x1e
        git checkout 7ffdabe098c9cf39a55e78ce2001c23004c49dae
        # 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 drivers/net/