rtc: Namespace fixup

rtctimer_* is already occupied by sound/core/rtctimer.c. Instead of
fiddling with that, rename the new functions to rtc_timer_* which
reads nicer anyway.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <johnstul@us.ibm.com>
diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index 95d2b82..3243832 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -155,11 +155,11 @@
 
 	/* Init timerqueue */
 	timerqueue_init_head(&rtc->timerqueue);
-	INIT_WORK(&rtc->irqwork, rtctimer_do_work);
+	INIT_WORK(&rtc->irqwork, rtc_timer_do_work);
 	/* Init aie timer */
-	rtctimer_init(&rtc->aie_timer, rtc_aie_update_irq, (void *)rtc);
+	rtc_timer_init(&rtc->aie_timer, rtc_aie_update_irq, (void *)rtc);
 	/* Init uie timer */
-	rtctimer_init(&rtc->uie_rtctimer, rtc_uie_update_irq, (void *)rtc);
+	rtc_timer_init(&rtc->uie_rtctimer, rtc_uie_update_irq, (void *)rtc);
 	/* Init pie timer */
 	hrtimer_init(&rtc->pie_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 	rtc->pie_timer.function = rtc_pie_update_irq;