RTEMS | Consolidate cpukit third-party sources (#5456)

[Gedare Bloom (@gedare)]

Gedare Bloom created an issue: https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5456



## Summary
<!--
Please provide as much information as possible such as error messages or attaching logs
-->

We have a variety of files throughout the cpukit imported from different versions of BSD and other third-party sources. We should consolidate these imports to make it easier to identify and manage these files until they can be moved into contrib.

## Steps to reproduce


<!-- Pre-set options
- milestone
-->

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5456
You're receiving this email because of your account on gitlab.rtems.org.


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.rtems.org/pipermail/bugs/attachments/20260203/7862ef78/attachment.htm>