reproduce (this is a W=1 build):
        # https://github.com/litex-hub/linux/commit/0feffc97be8ca96055d732a53f8946c9eccb3527
        git remote add litex-hub https://github.com/litex-hub/linux
        git fetch --no-tags litex-hub litex-rebase
        git checkout 0feffc97be8ca96055d732a53f8946c9eccb3527

        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=$HOME/0day COMPILER=gcc-16.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sh olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-16.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash drivers/i2c/busses/