MFC r250528:
	Teach wpa_supplicant to properly compute wireless signal strength.

PR:		bin/170631


git-svn-id: svn+ssh://svn.freebsd.org/base/stable/9@250727 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
MFC r250509:
	The M_VESA_MODE_MAX is latest valid mode - not the first invalid.
	Permit its use in vidcontrol -i

PR:		bin/119483


git-svn-id: svn+ssh://svn.freebsd.org/base/stable/9@250729 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
MFC revisions 243049,243129,244134,245871,245912,249698,249924


git-svn-id: svn+ssh://svn.freebsd.org/base/stable/9@250733 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
MFC: r250487

Adding a detach method to p4tcc driver.

PR:		118739
Submitted by:	Dan Lukes <dan@obluda.cz> (earlier version)
Reviewed by:	jhb
Approved by:	sbruno (mentor)


git-svn-id: svn+ssh://svn.freebsd.org/base/stable/9@250734 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f