Trace: Log more quietly
Trace: Log more quietly

These log messages get printed very often, especially for automated testing
where lots of traces are parsed. So let's make them DEBUG-level.

bjackman/lisa,joelagnel/lisa,credp/lisa,credp/lisa,credp/lisa,ARM-software/lisa,mdigiorgio/lisa,arnoldlu/lisa,joelagnel/lisa,ARM-software/lisa,arnoldlu/lisa,ARM-software/lisa,ARM-software/lisa,credp/lisa,mdigiorgio/lisa,bjackman/lisa