tests: Add ivshmem qtest Note that it launches two instances, as sharing memory is the purpose of ivshmem. Cc: Cam Macdonell <cam@cs.ualberta.ca> Cc: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de> [ Remove Nahanni codename, add test to pci set - Marc-André ] Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>