reproduce (this is a W=1 build):
        git checkout 3b9b1f8df454caa453c7fb07689064edb2eda90a
        b4 shazam https://lore.kernel.org/r/20251005-remoteproc-cleanup-v1-6-09a9fdea0063@nxp.com
        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=$HOME/0day COMPILER=gcc-9.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=riscv olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/remoteproc/