rtc: pm8xxx: set range

The pm8xxx are 32bit seconds counter.

Link: https://lore.kernel.org/r/20200306073758.58050-2-alexandre.belloni@bootlin.comSigned-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

drivers/rtc/rtc-pm8xxx.c

@@ -491,6 +491,7 @@ static int pm8xxx_rtc_probe(struct platform_device *pdev)
 		return PTR_ERR(rtc_dd->rtc);
 
 	rtc_dd->rtc->ops = &pm8xxx_rtc_ops;
+	rtc_dd->rtc->range_max = U32_MAX;
 
 	/* Request the alarm IRQ */
 	rc = devm_request_any_context_irq(&pdev->dev, rtc_dd->rtc_alarm_irq,