MFC r306218,306290: amdsbwd, intpm: unify bits specific to AMD chipsets

MFC r305596: intpm.4 update supported hardware list

MFC r303113: Cross-link some SMBus controller drivers man pages.

MFC r303111: Document list of supported chipsets.

Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Expand *n't contractions.

Add 'device smb' to the synopsis, as this is required to do anything
useful with these devices.

Removed whitespace at end-of-line; no content changes. I simply did
cd src/share; find man[1-9] -type f|xargs perl -pi -e 's/[ \t]+$//'

BTW, what editors are the culprits? I'm using vim and it shows
me whitespace at EOL in troff files with a thick blue block...

Reviewed by: Silence from cvs diff -b
MFC after: 7 days

mdoc(7) police: removed HISTORY info from the .Os call.

mdoc(7) police: normalize .Nd.

These pages are not i386-specific.

mdoc(7) police: removed history info from the .Os FreeBSD call.

Remove more single-space hard sentence breaks.

Remove single-space hard sentence breaks. These degrade the quality
of the typeset output, tend to make diffs harder to read and provide
bad examples for new-comers to mdoc.

First round of config related changes to the manpages.

device blah0 -> device blah for PCI devices and busses.

Discourage usage of controller in kernel config files. Reflect this
by changing ``controller'' to ``device'' as per GENERIC and LINT.

$Id$ -> $FreeBSD$

Various man page cleanup:

- Sort xrefs
- FreeBSD.ORG -> FreeBSD.org
- Be consistent with section names as outlined in mdoc(7).
- Other misc mdoc cleanup.

PR: doc/13144
Submitted by: Alexey M. Zelkin <phantom@cris.net>

Fix the date and add an smbus declaration

Intel PIIX4 Power Management Unit for smbus(4).

Submitted by: Takanori Watanabe <takawata@shidahara1.planet.sci.kobe-u.ac.jp>