Formatting according to PEP-8 using autopep8

I've added a `setup.cfg` file with `[pep8]` section to make it use the
120-char line length limit we have for all Blender/Python scripts.

benchmark/foundation/system_info.py

@@ -12,6 +12,7 @@ from .third_party import cpuinfo
 from .third_party import cpu_cores
 from .third_party.dateutil import parser
 
+
 def _getBlenderDeviceInfo(ctx):
     PREFIX = "Benchmark Devices: "
     command = [ctx.blender,