reproduce (this is a W=1 build):
        # https://github.com/plbossart/sound/commit/2c87f4f405f2434fc6b30661259aec51ea949145
        git remote add plbossart-sound https://github.com/plbossart/sound
        git fetch --no-tags plbossart-sound sdw/rt712-quirks
        git checkout 2c87f4f405f2434fc6b30661259aec51ea949145
        # 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