rtc: spear: drop uie_unsupported

Since commitc9f5c7e7 ("rtc: rtc-spear: Provide flag for no support of
UIE mode") which was in 2012, the core changed a lot and UIE are now
supported using regular alarms. Drop uie_unsupported now to reflect that.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20220309162301.61679-20-alexandre.belloni@bootlin.com

drivers/rtc/rtc-spear.c

@@ -387,7 +387,6 @@ static int spear_rtc_probe(struct platform_device *pdev)
 	config->rtc->ops = &spear_rtc_ops;
 	config->rtc->range_min = RTC_TIMESTAMP_BEGIN_0000;
 	config->rtc->range_min = RTC_TIMESTAMP_END_9999;
-	config->rtc->uie_unsupported = 1;
 
 	status = devm_rtc_register_device(config->rtc);
 	if (status)