diydrones/PX4Firmware — pull request #11 by geeksville (2014-05-26 18:14:13+00:00)
Title: rtc: Turn on RTC support - by using the LSI clock

Depends on the corresponding changes in the Nuttx tree: https://github.com/geeksville/PX4NuttX/commit/bc9b614a9c634c484817ef8f3bdf62a60e3f9efe