doc: usb: Use contents instead of hand made structure

Use proper contents keyword.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
This commit is contained in:
Andrei Emeltchenko 2018-10-04 17:22:53 +03:00 committed by Anas Nashif
commit f7067655d6

View file

@ -3,10 +3,10 @@
USB device stack
################
The USB device stack is split into three layers:
* `USB device controller drivers`_ (hardware dependent)
* `USB device core layer`_ (hardware independent)
* `USB device class drivers`_ (hardware independent)
.. contents::
:depth: 2
:local:
:backlinks: top
USB Vendor and Product identifiers
**********************************