Update GENERIC-RD to include some missing 5.3 drivers, most importantly those for VirtIO, and remove some obsolete (5.3 and post-5.3) drivers.
Merge pull request #25 from KillerDiller/upstream

Update GENERIC-RD to include some missing 5.3 drivers, most importantly those for VirtIO, and remove some obsolete (5.3 and post-5.3) drivers.