[bootlin/training-materials] 6129b0: labs/buildroot-rootfs-stm32: fix bogus reference t...

[Thomas Petazzoni]

  Branch: refs/heads/master
  Home:   https://github.com/bootlin/training-materials
  Commit: 6129b0113ac1fd84f1a593d1ca540d5fb7c5c3fd
      https://github.com/bootlin/training-materials/commit/6129b0113ac1fd84f1a593d1ca540d5fb7c5c3fd
  Author: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
  Date:   2023-01-17 (Tue, 17 Jan 2023)

  Changed paths:
    M labs/buildroot-rootfs-stm32/buildroot-rootfs-stm32.tex

  Log Message:
  -----------
  labs/buildroot-rootfs-stm32: fix bogus reference to "Black"

This was a bad search/replace of BeagleBone Black references when
doing the lab for STM32MP1.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>