reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/steev/linux/commit/a4a7adb288d2737ec7a3ba5e5167986492947fed
        git remote add steev https://github.com/steev/linux
        git fetch --no-tags steev radxa-zero-linux-5.10.y
        git checkout a4a7adb288d2737ec7a3ba5e5167986492947fed
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=microblaze olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=microblaze SHELL=/bin/bash KBUILD_MODPOST_WARN=1 M=drivers/staging/media/meson/vdec