fix: adding bess conf patches

[markbeierl]

Description

Routectl and bessctl both feed from the same sources, so this simplifies it a little by making one stage for them.

We are also adding the ability to patch bessctl scripts and including two pending upstream patches

Checklist:

• [X] My code follows the style guidelines of this project
• [X] I have performed a self-review of my own code N/A I have made corresponding changes to the documentation
• [X] Any dependent changes have been merged and published in downstream modules