Expose --blc-stripes to update_config.py and fix old parameter names

Description

Exposing --blc-stripes as it might be rarely needed. Fixing names for old parameters that had dont- prefix

How Has This Been Tested?

Relevant Documents (optional)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)

Checklist:

• My code follows the code style of this project.

Reviewers

@kluyvert