rtc: brcmstb-waketimer: switch to rtc_time64_to_tm

Call the 64bit version of rtc_time_to_tm as the range is enforced by the
core.

Reviewed-by: Florian Fainelli <[e-mail]>
Signed-off-by: Alexandre Belloni <[e-mail]>

drivers/rtc/rtc-brcmstb-waketimer.c

···
 
 	wktmr_read(timer, &now);
 
-	rtc_time_to_tm(now.sec, tm);
+	rtc_time64_to_tm(now.sec, tm);
 
 	return 0;
 }