MFC r249115:
Adds security command to camcontrol which provides the ability to secure erase
SSD's

MFC r249153: (included in r251494)
mdoc: remove superfluous paragraph macro.


git-svn-id: svn://svn.freebsd.org/base/stable/9@251497 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
MFC r249895:
Add Host Protected Area (HPA) support to camcontrol

MFC r249904:
mdoc: remove superfluous paragraph macro.


git-svn-id: svn://svn.freebsd.org/base/stable/9@251498 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
MFC: r251368, r251382: Match the options of the kernel.


git-svn-id: svn://svn.freebsd.org/base/stable/9@251504 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Merge remote-tracking branch 'upstream/svn_stable_9' into svn_stable_9