Fix #86, split configuration

[jphickey]

Checklist (Please check before submitting)

• I reviewed the Contributing Guide.
• I signed and emailed the appropriate Contributor License Agreement to GSFC-SoftwareRelease@mail.nasa.gov and copied cfs-program@lists.nasa.gov.

Describe the contribution
Use the "generate_config_includefile" for all headers that can come from alternate source (e.g. generated or mission-supplied).

Fixes #86

Testing performed
Build and run LC in variety of configurations

Expected behavior changes
Better organization, more modular

System(s) tested on
Debian

Additional context
See nasa/HS#87 for reference - this is basically the same change applied to LC, making it consistent.

Contributor Info - All information REQUIRED for consideration of pull request
Joseph Hickey, Vantage Systems, Inc.

[jphickey]

Fixed! Now this adheres to the naming convention in nasa/cFE#2306, can review at next CCB.