json: Use a single list of compatible values

Create a single list of values set from the compatible interface when
getting a fan app's config file(s). Temporarily, populating this list is
needed for fan control until replaced with the use of a constructor that
will populate the list or subscribe to the interfacesAdded signal for
populating the list of compatible values.

Change-Id: I651185f233bc2388646325cb86806dd4c1d18317
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
1 file changed