Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.

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

Copy head to stable/9 as part of 9.0-RELEASE release cycle.

Approved by: re (implicit)

o Convert to our new SYNOPSIS layout
o Add "device scbus/pci/etc" where needed for consistency

MFC after: 3 days

Bump document date for last commit.

- Add a HARDWARE section which lists supported 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: use canonical form of .Dd macro.

Fix a spelling error.

First round of config related changes to the manpages.

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

Add simple manual page for amd driver

Requested by: folks on fido7.ru.unix.bsd