clocksource: sh_mtu2/cmt_register() should be static.

Neither of these need to be exported, so just make them static.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

drivers/clocksource/sh_cmt.c

@@ -537,9 +537,9 @@ static void sh_cmt_register_clockevent(struct sh_cmt_priv *p,
 	clockevents_register_device(ced);
 }
 
-int sh_cmt_register(struct sh_cmt_priv *p, char *name,
-		    unsigned long clockevent_rating,
-		    unsigned long clocksource_rating)
+static int sh_cmt_register(struct sh_cmt_priv *p, char *name,
+			   unsigned long clockevent_rating,
+			   unsigned long clocksource_rating)
 {
 	if (p->width == (sizeof(p->max_match_value) * 8))
 		p->max_match_value = ~0;

drivers/clocksource/sh_mtu2.c

@@ -232,8 +232,8 @@ static void sh_mtu2_register_clockevent(struct sh_mtu2_priv *p,
 	clockevents_register_device(ced);
 }
 
-int sh_mtu2_register(struct sh_mtu2_priv *p, char *name,
-		     unsigned long clockevent_rating)
+static int sh_mtu2_register(struct sh_mtu2_priv *p, char *name,
+			    unsigned long clockevent_rating)
 {
 	if (clockevent_rating)
 		sh_mtu2_register_clockevent(p, name, clockevent_rating);