[LU-14485] Update trademark claims, license comments, and related text

• Type: Improvement
• Resolution: Unresolved
• Priority: Minor
• Affects Version/s: Upstream
• Assignee: WC Triage
• Reporter: Neil Brown

Description

References to lustre being a trademark of Sun should be removed.

All files should have a "SPDX" comment identifying the license that covers them, then other license text can be removed.