Allow to specify CR14, logout area, external damage code
and failed storage address.

Since more then one machine check can be indicated to the guest at
a time we need to combine all indication bits with already pending
requests.
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>