Documentation: Move firmware flashing tutorial to tutorial section

There is no need that the tutorial for flashing firmware has its own
point in the main menu. Thus, move it to the tutorial section.

Change-Id: Ife6d97254af4c006fe01480a78c76303f9cb34bb
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62424
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Thomas Heijligen <src@posteo.de>

0 files changed, 0 insertions, 0 deletions