reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/jimc/linux/commit/3341029059d1eb4ef9a6b48d5c2075e3f694daaf
        git remote add jimc https://github.com/jimc/linux.git
        git fetch --no-tags jimc dd-fix-classmap-add-trace
        git checkout 3341029059d1eb4ef9a6b48d5c2075e3f694daaf
        # 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 drivers/usb/phy/