[bootlin/training-materials] ecf8cd: sysdev labs: update the link to Buildroot's manual

[tleb]

  Branch: refs/heads/master
  Home:   https://github.com/bootlin/training-materials
  Commit: ecf8cd3dae514216e8f4a21b1af512eadf1f2958
      https://github.com/bootlin/training-materials/commit/ecf8cd3dae514216e8f4a21b1af512eadf1f2958
  Author: Théo Lebrun <theo.lebrun at bootlin.com>
  Date:   2022-02-16 (Wed, 16 Feb 2022)

  Changed paths:
    M labs/sysdev-buildroot/sysdev-buildroot.tex

  Log Message:
  -----------
  sysdev labs: update the link to Buildroot's manual

Signed-off-by: Théo Lebrun <theo.lebrun at bootlin.com>


  Commit: 8e880613b965b8a1b44ed5ae8c90f3bc4c223f5c
      https://github.com/bootlin/training-materials/commit/8e880613b965b8a1b44ed5ae8c90f3bc4c223f5c
  Author: Théo Lebrun <theo.lebrun at bootlin.com>
  Date:   2022-02-16 (Wed, 16 Feb 2022)

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

  Log Message:
  -----------
  sysdev: fix two typos

Signed-off-by: Théo Lebrun <theo.lebrun at bootlin.com>


Compare: https://github.com/bootlin/training-materials/compare/c51ed80b7cd6...8e880613b965