port-i386/46680: pxeboot's command_help lacks options

[yamt%NetBSD.org@localhost]

>Number:         46680
>Category:       port-i386
>Synopsis:       pxeboot's command_help lacks options
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    port-i386-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Jul 10 05:55:00 +0000 2012
>Originator:     YAMAMOTO Takashi
>Release:        NetBSD current
>Organization:
        
>Environment:
        
        
>Description:
        pxeboot's command_help() seems outdated.  it at least lacks -c option.
        
>How-To-Repeat:
        "help" on boot prompt.

        > help
        commands are:
        boot [filename] [-adsqv]
             (ex. "netbsd.old -s"
        consdev {pc|com[0123]|com[0123]kbd|auto}
        help|?
        quit
        > boot netbsd -c
        PXE BIOS Version 2.1
        Using PCI device at bus 2 device 0 function 0
        Ethernet address 6c:62:6d:41:07:4a
        5143716+93604+543732 [366976+353741]=0x634c3c
        Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 
2005,
            2006, 2007, 2008, 2009, 2010, 2011, 2012
            The NetBSD Foundation, Inc.  All rights reserved.
        Copyright (c) 1982, 1986, 1989, 1991, 1993
            The Regents of the University of California.  All rights reserved.

        NetBSD 6.99.7 (b.nfskuro) #5: Thu Jun 21 20:19:34 JST 2012
                takashi@nfskuro:/home/takashi/work/kernel/b.nfskuro
        total memory = 2985 MB
        avail memory = 2923 MB
        userconf: configure system autoconfiguration:
        uc> 

>Fix:
        

>Unformatted: