[bootlin/training-materials] 091114: labs/sysdev-accessing-hardware-bbb: fix pin number

[Michael Opdenacker]

  Branch: refs/heads/master
  Home:   https://github.com/bootlin/training-materials
  Commit: 091114e2238b87fef9fa08594c7133e668b68b2a
      https://github.com/bootlin/training-materials/commit/091114e2238b87fef9fa08594c7133e668b68b2a
  Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
  Date:   2023-01-31 (Tue, 31 Jan 2023)

  Changed paths:
    M labs/sysdev-accessing-hardware-bbb/sysdev-accessing-hardware-bbb.tex

  Log Message:
  -----------
  labs/sysdev-accessing-hardware-bbb: fix pin number

Thanks to Jonas Andersen for reporting this issue!

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