USB:Update mailing list information in documentation

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Documentation/usb/usb-help.txt

 usb-help.txt
-2000-July-12
+2008-Mar-7
 
 For USB help other than the readme files that are located in
 Documentation/usb/*, see the following:
@@ -11,8 +11,6 @@ Linux USB Guide:    http://linux-usb.sourceforge.net
 Linux-USB device overview (working devices and drivers):
                     http://www.qbik.ch/usb/devices/
 
-The Linux-USB mailing lists are:
-  linux-usb-users@lists.sourceforge.net   for general user help
-  linux-usb-devel@lists.sourceforge.net   for developer discussions
+The Linux-USB mailing list is at linux-usb@vger.kernel.org
 
 ###