Bug#927188: lsusb: Buses are listed backwards

[積丹尼 Dan Jacobson]

Package: usbutils
Version: 1:010-3
Severity: minor
File: /usr/bin/lsusb

Here we observe the buses are listed backwards,

# lsusb -t
/:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/8p, 10000M
/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/14p, 480M
    |__ Port 10: Dev 2, If 0, Class=Mass Storage, Driver=usb-storage, 480M
    |__ Port 11: Dev 3, If 0, Class=Hub, Driver=hub/4p, 12M
        |__ Port 1: Dev 4, If 0, Class=Hub, Driver=hub/4p, 12M
            |__ Port 3: Dev 5, If 0, Class=Human Interface Device, 
Driver=usbhid, 1.5M
            |__ Port 4: Dev 6, If 0, Class=Human Interface Device, 
Driver=usbhid, 1.5M
            |__ Port 4: Dev 6, If 1, Class=Human Interface Device, 
Driver=usbhid, 1.5M
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 480M

While the other items are listed forwards.