Update Maintainers for IBM Power 842, vscsi, and vfc drivers

Update the MAINTAINERS file to indicate the current maintainers
for the IBM Power 842 Compression driver, IBM Power Virtual SCSI
driver and the IBM Power Virtual FC Driver.
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Acked-by: Robert Jennings <rob@pochix.net>
Signed-off-by: Christoph Hellwig <hch@lst.de>

MAINTAINERS

@@ -4366,7 +4366,7 @@ S:	Supported
 F:	drivers/crypto/nx/
 
 IBM Power 842 compression accelerator
-M:	Robert Jennings <rcj@linux.vnet.ibm.com>
+M:	Nathan Fontenot <nfont@linux.vnet.ibm.com>
 S:	Supported
 F:	drivers/crypto/nx/nx-842.c
 F:	include/linux/nx842.h
@@ -4382,12 +4382,18 @@ L:	netdev@vger.kernel.org
 S:	Supported
 F:	drivers/net/ethernet/ibm/ibmveth.*
 
-IBM Power Virtual SCSI/FC Device Drivers
-M:	Robert Jennings <rcj@linux.vnet.ibm.com>
+IBM Power Virtual SCSI Device Drivers
+M:	Nathan Fontenot <nfont@linux.vnet.ibm.com>
 L:	linux-scsi@vger.kernel.org
 S:	Supported
-F:	drivers/scsi/ibmvscsi/
-X:	drivers/scsi/ibmvscsi/ibmvstgt.c
+F:	drivers/scsi/ibmvscsi/ibmvscsi*
+F:	drivers/scsi/ibmvscsi/viosrp.h
+
+IBM Power Virtual FC Device Drivers
+M:	Brian King <brking@linux.vnet.ibm.com>
+L:	linux-scsi@vger.kernel.org
+S:	Supported
+F:	drivers/scsi/ibmvscsi/ibmvfc*
 
 IBM ServeRAID RAID DRIVER
 P:	Jack Hammer