Switch to use of python3

Update each fan application that uses a python script to parse/generate
their respective configuration to use python3.

*Decoupling the fan presence application from using sdbusplus python
libraries is outside the scope of this change and could be rebased
before this if necessary.

Change-Id: Ic2fda095daf0331d08146f0020b4ff0a88995bb3
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
4 files changed