dev: Added new LupIO-TMR device

This device is a virtual timer that provides both a real-time
counter, as well as a configurable timer with periodic and
one-shot modes.  It uses Ticks to measure time, and is
implemented as a BasicPioDevice.

The following are the specifications regarding the LupIO-TMR:

Change-Id: I6fd6f4926494a44d20e1e0289f502535e84d7a69
Maintainer: Bobby Bruce <>
Tested-by: kokoro <>
Reviewed-by: Jason Lowe-Power <>
4 files changed