[bootlin/training-materials] 6210da: sysdev: slides: kernel headers picture: reversever...

[Luca Ceresoli]

  Branch: refs/heads/master
  Home:   https://github.com/bootlin/training-materials
  Commit: 6210da32817416181d9e1bd74569575803ce5452
      https://github.com/bootlin/training-materials/commit/6210da32817416181d9e1bd74569575803ce5452
  Author: Luca Ceresoli <luca.ceresoli at bootlin.com>
  Date:   2022-12-02 (Fri, 02 Dec 2022)

  Changed paths:
    M slides/sysdev-toolchains-definition/kernel-headers.dia

  Log Message:
  -----------
  sysdev: slides: kernel headers picture: reversevertically the image

Invert the vertical position of blocks to show kernel space below and
userspace above, as we do elsewhere.

Also use a red color for the kernelspace boundary to slightly unclutter the
picture.

Signed-off-by: Luca Ceresoli <luca.ceresoli at bootlin.com>