The MC146818 RTC was incorrectly added to the i82378 chipset in commita04ff94097. In the next commit (506b7ddf88) the PReP machine use the i82378. Since the MC146818 is specific to the PReP machine, move its use there. Fixes:a04ff94097Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20190505152839.18650-3-philmd@redhat.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>