[bootlin/training-materials] ac95a2: Embedded Linux: add link to our ELBE blog post

[Michael Opdenacker]

  Branch: refs/heads/master
  Home:   https://github.com/bootlin/training-materials
  Commit: ac95a24299aacd0ecbafd9b89f3fe2ff02c0d7a7
      https://github.com/bootlin/training-materials/commit/ac95a24299aacd0ecbafd9b89f3fe2ff02c0d7a7
  Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
  Date:   2021-12-10 (Fri, 10 Dec 2021)

  Changed paths:
    M slides/sysdev-embedded-linux/sysdev-embedded-linux.tex

  Log Message:
  -----------
  Embedded Linux: add link to our ELBE blog post

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