Add -lxo (for df) and -lgpio(for gpioctl) to bsdbox.  This will allow the picostation
build to work again.

Reviewed by:	adrian
Add makewhatis to ITOOLS if MK_MAN != no

This will fix installation with differing host targets in installworld, so
one can build i386/i386 on an amd64 host, then install to an i386/i386 target

Reported by: alfred
Phabric: D1280
MFC after: 1 week
Add port routing support for Wildcat Point.

PR:		195793
MFC after:	1 week
Merge remote-tracking branch 'freebsd/master' into hardened/current/master
Merge remote-tracking branch 'origin/hardened/current/master' into hardened/current/segvguard