Remove $FreeBSD$: two-line nroff pattern

Remove /^\.\\"\n\.\\"\s*\$FreeBSD\$$\n/

iovctl.conf(5): Use Lk macro for the URL of the UCL website

PR: 248334
Reported by: chuck at tuffli dot net
Reviewed by: bcr, 0mp
Approved by: bcr, 0mp
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D25891

iovctl(8): Correct a typo in the manpage and correct the SYNOPSIS

PR: 246831
Submitted by: Jose Luis Duran <jlduran at gmail dot com>
Reviewed by: bcr (mentor)
Approved by: bcr (mentor)
MFC after: 7 days

Replace use of .Po Pc with the preferred .Pq for single line
enclosures in iovctl.conf(5), iovctl(8), pci(9), and
pci_iov_schema(9).

Differential Revision: https://reviews.freebsd.org/D3000
Reviewed by: wblock
Approved by: jmallett (mentor)

Fix range upper bound for uint32_t and uint64_t, and reformat range
description for uint8_t, uint16_t, uint32_t, and uint64_t.

Differential Revision: https://reviews.freebsd.org/D2988
Reviewed by: rstone, wblock
Approved by: jmallett (mentor)
Sponsored by: Norse Corp, Inc.

Fix minor mdoc issues.

Correct a typo.

X-MFC-With: r279458

Add manpage documenting iovctl config file format.

Differential Revision: https://reviews.freebsd.org/D84
Reviewed by: emaste, bcr, wblock
MFC after: 1 month
Sponsored by: Sandvine Inc.