Implement cpu hotplug routine and add the machine hook.
Signed-off-by: NMatthew Rosato <mjrosato@linux.vnet.ibm.com>
Reviewed-by: NDavid Hildenbrand <dahi@linux.vnet.ibm.com>
Message-Id: <1457112875-5209-8-git-send-email-mjrosato@linux.vnet.ibm.com>
Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>