KVM: s390: Change maintainer

Since Carsten is now working on a different project, Cornelia will
work as the 2nd s390/kvm maintainer.
Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com>
CC: Carsten Otte <cotte@de.ibm.com>
CC: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: NAvi Kivity <avi@redhat.com>

MAINTAINERS

@@ -3987,8 +3987,8 @@ F:	arch/ia64/include/asm/kvm*
 F:	arch/ia64/kvm/
 
 KERNEL VIRTUAL MACHINE for s390 (KVM/s390)
-M:	Carsten Otte <cotte@de.ibm.com>
 M:	Christian Borntraeger <borntraeger@de.ibm.com>
+M:	Cornelia Huck <cornelia.huck@de.ibm.com>
 M:	linux390@de.ibm.com
 L:	linux-s390@vger.kernel.org
 W:	http://www.ibm.com/developerworks/linux/linux390/