control: Update python2 -> python3

Changes to support moving to python3

Tested:
    No change in output using python2 before & after updates
    Run using python3 generated output without error

Change-Id: Ic2f923e1554ec24d348b4c0ba03208fec0c0d75f
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
1 file changed