scsi: fusion: fix spelling mistake: "Persistancy" -> "Persistency"

trivial fix to spelling mistake
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/message/fusion/mptbase.c

@@ -7396,7 +7396,7 @@ mpt_display_event_info(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply)
 			break;
 		case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
 			snprintf(evStr, EVENT_DESCR_STR_SZ,
-			    "SAS Device Status Change: No Persistancy: "
+			    "SAS Device Status Change: No Persistency: "
 			    "id=%d channel=%d", id, channel);
 			break;
 		case MPI_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED: