[bootlin/training-materials] b14e78: labs/sysdev-thirdparty: correct explanations

[Michael Opdenacker]

  Branch: refs/heads/master
  Home:   https://github.com/bootlin/training-materials
  Commit: b14e78b30b279eafb65a27cf91dfb79dd0f4d466
      https://github.com/bootlin/training-materials/commit/b14e78b30b279eafb65a27cf91dfb79dd0f4d466
  Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
  Date:   2022-09-29 (Thu, 29 Sep 2022)

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

  Log Message:
  -----------
  labs/sysdev-thirdparty: correct explanations

It's not obvious which compiler is invoked by make.
You just see "CC" getting called, both when natively
compiling and cross-compiling.

Adjust the explanations to avoid questions from the audience.

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