[bootlin/training-materials] 970301: slides/about-us: give proper credit for the icon

[Thomas Petazzoni]

  Branch: refs/heads/master
  Home:   https://github.com/bootlin/training-materials
  Commit: 970301f4d536b21f0c6558bd97c6756363aa1e1b
      https://github.com/bootlin/training-materials/commit/970301f4d536b21f0c6558bd97c6756363aa1e1b
  Author: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
  Date:   2022-04-26 (Tue, 26 Apr 2022)

  Changed paths:
    M slides/about-us/about-us.tex

  Log Message:
  -----------
  slides/about-us: give proper credit for the icon

Signed-off-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>