[bootlin/training-materials] 7510e2: Kernel slides: Add an hardware view of the USB bus

[Clément Léger]

  Branch: refs/heads/master
  Home:   https://github.com/bootlin/training-materials
  Commit: 7510e23885726335ad8f6c7cb69a8cacd5ca2681
      https://github.com/bootlin/training-materials/commit/7510e23885726335ad8f6c7cb69a8cacd5ca2681
  Author: Clément Léger <clement.leger at bootlin.com>
  Date:   2021-11-10 (Wed, 10 Nov 2021)

  Changed paths:
    M slides/kernel-device-model/kernel-device-model.tex
    A slides/kernel-device-model/usb-bus-hardware.dia
    M slides/kernel-device-model/usb-bus.dia

  Log Message:
  -----------
  Kernel slides: Add an hardware view of the USB bus

Signed-off-by: Clément Léger <clement.leger at bootlin.com>