This allows a guest to change its TOD. We already take care of updating
all CKC timers from within S390TODClass.

Use MO_ALIGN to load the operand manually - this will properly trigger a
SPECIFICATION exception.
Acked-by: NThomas Huth <thuth@redhat.com>
Signed-off-by: NDavid Hildenbrand <david@redhat.com>
Message-Id: <20180627134410.4901-8-david@redhat.com>
Signed-off-by: NCornelia Huck <cohuck@redhat.com>