- Copy stable/10 (r259064) to releng/10.0 as part of the
10.0-RELEASE cycle.
- Update __FreeBSD_version [1]
- Set branch name to -RC1

[1] 10.0-CURRENT __FreeBSD_version value ended at '55', so
start releng/10.0 at '100' so the branch is started with
a value ending in zero.

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

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

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

Correct SB600 AC97 Audio PCI ID, otherwise we will attach to the
SBx00 PCI to PCI Bridge which causes problems.

Add support for trimmed down version of ATI SB600 AC97 audio
controller.

URL: http://www.ipc2u.de/catalog/P/PE/36486.html
PR: kern/117813
Submitted by: Klaus Mayr
MFC after: 1 day

Various cleanups. Revert DMA alignmnet back to 2 since the original
cause of DMA pointer train wreck has been solved.

Reminded by: silby
MFC after: 1 month

Fix random popping while playing in 32bit by increasing default buffer size
from 4096 to 8192.

MFC after: 1 week

Support for ATI IXP 200 / 300 / 400 series audio controllers.