[bootlin/training-materials] f727e7: sysdev: slides: fix device tree examples indentation

[Luca Ceresoli]

  Branch: refs/heads/master
  Home:   https://github.com/bootlin/training-materials
  Commit: f727e75573e2a1900712b4fc56c67a66d495c7b9
      https://github.com/bootlin/training-materials/commit/f727e75573e2a1900712b4fc56c67a66d495c7b9
  Author: Luca Ceresoli <luca.ceresoli at bootlin.com>
  Date:   2022-10-10 (Mon, 10 Oct 2022)

  Changed paths:
    M slides/sysdev-hw-devices/sysdev-hw-devices.tex

  Log Message:
  -----------
  sysdev: slides: fix device tree examples indentation

Reported-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
Signed-off-by: Luca Ceresoli <luca.ceresoli at bootlin.com>