RPi 3B+ WiFi fix using wpa_supplicant
Changes :
- wpa_supplicant/dhcpcd replaces ConnMan as network manager
- RPi 3B/3B+ WiFi fixed
- recalbox.conf works with up to three WiFi configurations (DHCP only)
Related to :
- link other PR or issues here
Closes #841 (closed), #840 (closed)
Edited by Andrew Wilson