[bootlin/training-materials] be5704: agendas: fix trivial typo

[Michael Opdenacker]

  Branch: refs/heads/master
  Home:   https://github.com/bootlin/training-materials
  Commit: be5704f63e9740515f00d7fb58a1fd5cf86f4ecf
      https://github.com/bootlin/training-materials/commit/be5704f63e9740515f00d7fb58a1fd5cf86f4ecf
  Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
  Date:   2023-01-09 (Mon, 09 Jan 2023)

  Changed paths:
    M agenda/embedded-linux-agenda.tex
    M agenda/embedded-linux-fr-agenda.tex
    M agenda/embedded-linux-online-agenda.tex
    M agenda/embedded-linux-online-fr-agenda.tex

  Log Message:
  -----------
  agendas: fix trivial typo

Firmare -> Firmware

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