[SCSI] fusion: move sas persistent event handling over to the mptsas module

This moves code intented for SAS from
the generic mptscsih module over to the
mptsas module.

Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index 47053ac..5c2ce94 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -631,6 +631,7 @@
 	struct mutex		 sas_topology_mutex;
 	MPT_SAS_MGMT		 sas_mgmt;
 	int			 num_ports;
+	struct work_struct	 mptscsih_persistTask;
 
 	struct list_head	 fc_rports;
 	spinlock_t		 fc_rport_lock; /* list and ri flags */