reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        git remote add linuxtv-media-stage https://git.linuxtv.org/media_stage.git
        git fetch linuxtv-media-stage master
        git checkout linuxtv-media-stage/master
        b4 shazam https://lore.kernel.org/r/20241110125814.1899076-1-karprzy7@gmail.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=s390 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash drivers/media/cec/usb/extron-da-hd-4k-plus/