reproduce (this is a W=1 build):
        git remote add android-common https://android.googlesource.com/kernel/common
        git fetch --no-tags android-common mirror-chromeos-5.10-arcvm
        git checkout e19b8ce907a4ccc2f9dbeba218c50d1ff07fd321

        # 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/android/ drivers/base/ drivers/cpufreq/ drivers/gpu/drm/ drivers/md/ drivers/usb/host/ drivers/virtio/ fs/erofs/ kernel/ mm/