[bootlin/training-materials] 3a6d30: labs: debugging: mark the fmaegraph exercise as bonus

[Clément Léger]

  Branch: refs/heads/master
  Home:   https://github.com/bootlin/training-materials
  Commit: 3a6d30865f68c8ba79236a98d244b864e6234ac0
      https://github.com/bootlin/training-materials/commit/3a6d30865f68c8ba79236a98d244b864e6234ac0
  Author: Clément Léger <clement.leger at bootlin.com>
  Date:   2023-03-20 (Mon, 20 Mar 2023)

  Changed paths:
    M labs/debugging-system-wide-profiling/debugging-system-wide-profiling.tex

  Log Message:
  -----------
  labs: debugging: mark the fmaegraph exercise as bonus

This exercise does not show anyuthing really interesting except using the
flamegraphs and can be done on any platform. Since there are other more
interesting stuff, mark this as bonus.

Signed-off-by: Clément Léger <clement.leger at bootlin.com>