This patch addresses several issues for D-Link DIR-810L:
- add correct button codes
- harmonize button node names
- use generic flash@0
- remove unused pin groups from state_default
- improve sorting of properties
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Tested-by: Roger Pueyo Centelles <roger.pueyo@guifi.net>