rtc: cmos: don't refer to asm-generic/rtc.h

That header has been gone for a while.  I've fixed up the Kconfig
comment, but the one in rtc-cmos.c doesn't make any sense to me
even looking at its history.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

drivers/rtc/Kconfig

@@ -820,8 +820,8 @@ config RTC_DRV_RV3029_HWMON
 
 comment "Platform RTC drivers"
 
-# this 'CMOS' RTC driver is arch dependent because <asm-generic/rtc.h>
-# requires <asm/mc146818rtc.h> defining CMOS_READ/CMOS_WRITE, and a
+# this 'CMOS' RTC driver is arch dependent because it requires
+# <asm/mc146818rtc.h> defining CMOS_READ/CMOS_WRITE, and a
 # global rtc_lock ... it's not yet just another platform_device.
 
 config RTC_DRV_CMOS

drivers/rtc/rtc-cmos.c

@@ -772,9 +772,6 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
 
 	spin_unlock_irq(&rtc_lock);
 
-	/* FIXME:
-	 * <asm-generic/rtc.h> doesn't know 12-hour mode either.
-	 */
 	if (is_valid_irq(rtc_irq) && !(rtc_control & RTC_24H)) {
 		dev_warn(dev, "only 24-hr supported\n");
 		retval = -ENXIO;