[SCSI] zfcp: Enable data division support for FCP devices

Try to enable data division support for FCP devices and indicate in
the adapter status flag if it succeeded.

Reviewed-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

drivers/s390/scsi/zfcp_def.h

@@ -77,6 +77,7 @@ struct zfcp_reqlist;
 #define ZFCP_STATUS_ADAPTER_HOST_CON_INIT	0x00000010
 #define ZFCP_STATUS_ADAPTER_ERP_PENDING		0x00000100
 #define ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED	0x00000200
+#define ZFCP_STATUS_ADAPTER_DATA_DIV_ENABLED	0x00000400
 
 /* remote port status */
 #define ZFCP_STATUS_PORT_PHYS_OPEN		0x00000001