s390/time: rename tod clock access functions

Fix name clash with some common code device drivers and add "tod"
to all tod clock access function names.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

drivers/s390/scsi/zfcp_fsf.c

@@ -727,7 +727,7 @@ static int zfcp_fsf_req_send(struct zfcp_fsf_req *req)
 	zfcp_reqlist_add(adapter->req_list, req);
 
 	req->qdio_req.qdio_outb_usage = atomic_read(&qdio->req_q_free);
-	req->issued = get_clock();
+	req->issued = get_tod_clock();
 	if (zfcp_qdio_send(qdio, &req->qdio_req)) {
 		del_timer(&req->timer);
 		/* lookup request again, list might have changed */