[bootlin/training-materials] 88d8bb: sysdev: slides: firmware: rearrange "interfaces wi...

[Luca Ceresoli]

  Branch: refs/heads/master
  Home:   https://github.com/bootlin/training-materials
  Commit: 88d8bb108f30943ae4ad7f4cb3d47649e87abfcd
      https://github.com/bootlin/training-materials/commit/88d8bb108f30943ae4ad7f4cb3d47649e87abfcd
  Author: Luca Ceresoli <luca.ceresoli at bootlin.com>
  Date:   2023-02-22 (Wed, 22 Feb 2023)

  Changed paths:
    M slides/sysdev-bootloaders-sequence/arm-interfaces.dia

  Log Message:
  -----------
  sysdev: slides: firmware: rearrange "interfaces with secure firmware" picture

So it shows the high level (application) above and the low level
below. Also this is coherent with the previous slide where EL0 is a the top
and EL3 at the bottom.

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