rtc: pcf8523: switch to RTC_FEATURE_UPDATE_INTERRUPT

Stop using uie_unsupported and clear RTC_FEATURE_UPDATE_INTERRUPT instead.
Signed-off-by: NAlexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220309162301.61679-14-alexandre.belloni@bootlin.com

drivers/rtc/rtc-pcf8523.c

@@ -450,7 +450,7 @@ static int pcf8523_probe(struct i2c_client *client,
 	rtc->ops = &pcf8523_rtc_ops;
 	rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
 	rtc->range_max = RTC_TIMESTAMP_END_2099;
-	rtc->uie_unsupported = 1;
+	clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, rtc->features);
 
 	if (client->irq > 0) {
 		err = regmap_write(pcf8523->regmap, PCF8523_TMR_CLKOUT_CTRL, 0x38);