ath79: add support for D-Link COVR-C1200 A1
The COVR-C1200 devices are sold as "Whole Home Mesh Wi-Fi"
sets in packs of two (COVR-C1202) and three (COVR-C1203).
Specifications:
* QCA9563, 16 MiB flash, 128 MiB RAM, 2x3:2 802.11n
* QCA9886 2x2:2 801.11ac Wave 2
* AR8337, 2 Gigabit ports (1: WAN; 2: LAN)
* USB Type-C power connector (5V, 3A)
Installation COVR Point A:
* In factory reset state: OEM Web UI is at 192.168.0.50
no DHCP, skip wizard by directly accessing:
http://192.168.0.50/UpdateFirmware_Simple.html
* After completing setup wizard: Web UI is at 192.168.0.1
DHCP enabled, login with empty password
* Flash factory.bin
* Perform a factory reset to restore OpenWrt UCI defaults
Installation COVR Points B:
* OEM Web UI is at 192.168.0.50, no DHCP, empty password
* Flash factory.bin
* Perform a factory reset to restore OpenWrt UCI defaults
Recovery:
* Keep reset button pressed during power on
* Recovery Web UI is at 192.168.0.50, no DHCP
* Flash factory.bin
used to work best with Chromium-based browsers or curl:
curl -F firmware=@factory.bin \
http://192.168.0.50/upgrade.cgi
since this fails to work on modern Linux systems,
there is also a script dlink_recovery_upload.py
Signed-off-by: Sebastian Schaper <openwrt@sebastianschaper.net>