reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/miquelraynal/linux-0day/commit/3a117622bcdd9cc7e4747224858f669a5209a35d
        git remote add miquelraynal https://github.com/miquelraynal/linux-0day.git
        git fetch --no-tags miquelraynal macronix/nand-next/spi-nand-cont-read
        git checkout 3a117622bcdd9cc7e4747224858f669a5209a35d
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/gpu/drm/arm/display/komeda/ drivers/spi/