reproduce (this is a W=1 build):
        # https://github.com/shenki/linux/commit/90ce6cade71976498829f125d82db62bd3509f3d
        git remote add shenki https://github.com/shenki/linux
        git fetch --no-tags shenki aspeed-6.9-rebase
        git checkout 90ce6cade71976498829f125d82db62bd3509f3d
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/