[bootlin/training-materials] 1bcfda: slides/sysdev-licensing: add more examples for GPL

[Michael Opdenacker]

  Branch: refs/heads/master
  Home:   https://github.com/bootlin/training-materials
  Commit: 1bcfdaeead3106ac01eb9b74c2f8e093b7273ee9
      https://github.com/bootlin/training-materials/commit/1bcfdaeead3106ac01eb9b74c2f8e093b7273ee9
  Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
  Date:   2022-10-24 (Mon, 24 Oct 2022)

  Changed paths:
    M slides/sysdev-licensing/sysdev-licensing.tex

  Log Message:
  -----------
  slides/sysdev-licensing: add more examples for GPL

Plus put "Example" in plural

Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>