rtc: da9063: set range

The DA9062 and DA9063 have a year register that can go up to 0x3F.

Acked-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 588120b..09fb4af 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -164,6 +164,7 @@
 /* useful timestamps */
 #define RTC_TIMESTAMP_BEGIN_1900	-2208989361LL /* 1900-01-01 00:00:00 */
 #define RTC_TIMESTAMP_BEGIN_2000	946684800LL /* 2000-01-01 00:00:00 */
+#define RTC_TIMESTAMP_END_2063		2966371199LL /* 2063-12-31 23:59:59 */
 #define RTC_TIMESTAMP_END_2099		4102444799LL /* 2099-12-31 23:59:59 */
 #define RTC_TIMESTAMP_END_9999		253402300799LL /* 9999-12-31 23:59:59 */