rtc: Add android alarm driver.
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index ce2aabf..cc0f9b1 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -106,6 +106,16 @@
 	  clock several times per second, please enable this option
 	  only if you know that you really need it.
 
+config RTC_INTF_ALARM
+	bool "Android alarm driver"
+	depends on RTC_CLASS
+	default y
+	help
+	  Provides non-wakeup and rtc backed wakeup alarms based on rtc or
+	  elapsed realtime, and a non-wakeup alarm on the monotonic clock.
+	  Also provides an ioctl to set the wall time which must be used
+	  for elapsed realtime to work.
+
 config RTC_DRV_TEST
 	tristate "Test driver/device"
 	help