MAINTAINERS: update for maintainer of s390/zcrypt

Updated the maintainer line for s390/zcrypt.
Ingo Tuchscherer -> Harald Freudenberger.

Signed-off-by: Harald Freudenberger <freude@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index f30b8ea7..3e8a0ed 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10393,7 +10393,7 @@
 F:	drivers/pci/hotplug/s390_pci_hpc.c
 
 S390 ZCRYPT DRIVER
-M:	Ingo Tuchscherer <ingo.tuchscherer@de.ibm.com>
+M:	Harald Freudenberger <freude@de.ibm.com>
 L:	linux-s390@vger.kernel.org
 W:	http://www.ibm.com/developerworks/linux/linux390/
 S:	Supported