[bootlin/training-materials] f47cec: Embedded Linux: restore "Autotools demystification...

[Michael Opdenacker]

  Branch: refs/heads/master
  Home:   https://github.com/bootlin/training-materials
  Commit: f47cec58543ab864e6086a3bb8ac57b56bb67190
      https://github.com/bootlin/training-materials/commit/f47cec58543ab864e6086a3bb8ac57b56bb67190
  Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
  Date:   2021-12-09 (Thu, 09 Dec 2021)

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

  Log Message:
  -----------
  Embedded Linux: restore "Autotools demystification" video

After it was recovered (elsewhere) by the LF

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