reproduce (this is a W=1 build):
        git remote add android-common https://android.googlesource.com/kernel/common
        git fetch --no-tags android-common android-4.19-stable
        git checkout c9a574054dbbc299aac39781a1d19a36fe0bc35a
        # 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/i2c/busses/ drivers/nvmem/ fs/f2fs/ kernel/dma/ kernel/power/ kernel/sched/