control: remove NaN from D-Bus properties

When sensors are offline, its possible for some driver parameters to
appear as NaN. These values are prevented from being stored in fan
control and are removed if they are detected in the cache.

Signed-off-by: Mike Capps <mikepcapps@gmail.com>
Change-Id: I22aa0c551faffdfc83eb1992b1242ac477d08180
2 files changed