ppc patch queue 2020-12-14 Here's my first pull request for qemu-6.0, with a bunch of things queued over the freeze. Highlights are: * A bunch of cleanups to hotplug error paths from Greg Kurz * A number of TCG fixes from new contributor Giuseppe Musacchio * Added Greg Kurz as co-maintainer * Assorted other bugfixes and cleanups This supersedes ppc-for-6.0-20201211, the only change are some patch authors to better match qemu conventions.