rtc: puv3: set range

This RTC is a 32bit seconds counter.

Link: https://lore.kernel.org/r/20200306010240.40056-1-alexandre.belloni@bootlin.comSigned-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

drivers/rtc/rtc-puv3.c

@@ -234,6 +234,7 @@ static int puv3_rtc_probe(struct platform_device *pdev)
 
 	/* register RTC and exit */
 	rtc->ops = &puv3_rtcops;
+	rtc->range_max = U32_MAX;
 	ret = rtc_register_device(rtc);
 	if (ret)
 		goto err_nortc;