Update encryption documentation KMC config example

[nttoole]

Per Mike Pajevski,
The format for some of the VCID property names have a sub-field (tfvn), which should be captured in the example configuration (to be in sync with KMC 3.1.0

Basically, add a new '.0' to the existing entries that contain VCID.

Example from...

- cryptolib.tc.44.0.max_frame_length=1024
- cryptolib.tc.44.1.has_segmentation_header=false
- cryptolib.tc.44.1.has_pus_header=false

... to

- cryptolib.tc.44.0.0.max_frame_length=1024
- cryptolib.tc.44.1.0.has_segmentation_header=false
- cryptolib.tc.44.1.0.has_pus_header=false