[bootlin/training-materials] ea39db: slides: fix typo: ressources -> resources

[Luca Ceresoli]

  Branch: refs/heads/master
  Home:   https://github.com/bootlin/training-materials
  Commit: ea39db0a656ec9dc1864d1a9638c275afdeb9164
      https://github.com/bootlin/training-materials/commit/ea39db0a656ec9dc1864d1a9638c275afdeb9164
  Author: Luca Ceresoli <luca.ceresoli at bootlin.com>
  Date:   2022-10-04 (Tue, 04 Oct 2022)

  Changed paths:
    M slides/sysdev-application-development/sysdev-application-development.tex
    M slides/sysdev-bootloaders-sequence/sysdev-bootloaders-sequence.tex
    M slides/sysdev-software-stacks/sysdev-software-stacks.tex

  Log Message:
  -----------
  slides: fix typo: ressources -> resources

Easier to spot from outside France :-)

Signed-off-by: Luca Ceresoli <luca.ceresoli at bootlin.com>