MFC: rev. 1.8 - 1.11
MFC: rev. 1.8 - 1.11

- mdoc sweep.
- s/5.5/6.0/ in HISTORY section.
- Document the latest changes for controlling the fan
- s/Thinklight/ThinkLight/
- Xref led(4)

Approved by:	re (scottl)

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