(cherry picked from commit 447595f0)

fixes #1935
found by @lrnzo

(cherry picked from commit 63ebeb25)

- vendor name should not be part of model name
- there's no other version, hence mentioning the version is superfluous

Specification:
- MediaTek MT7620A (580 Mhz)
- 64 MB of RAM
- 8 MB of FLASH
- 2T2R 2.4 GHz and 1T1R 5 GHz
- 5x 10/100 Mbps Ethernet
- 2x external, non-detachable antennas
- UART (J1) header on PCB (115200 8n1)
- 8x LED (GPIO-controlled*), 2x button, power input switch
- 1 x USB 2.0 port

TP-Link TL-WR902AC v3 is a pocket-size dual-band (AC750) router
based on MediaTek MT7628N + MT7650E.

Specification:
- MediaTek MT7628N/N (580 Mhz)
- 64 MB of RAM
- 8 MB of FLASH
- 2T2R 2.4 GHz and 1T1R 5 GHz
- 1x 10/100 Mbps Ethernet

Just saw a small typo i made in the Xiaomi Mi Wifi Mini PR. This PR Corrects this.

(cherry picked from commit 239c379d)

WiFi driver is stable now.

Flash instructions in the OpenWRT Commit: https://git.openwrt.org/?p=openwrt/openwrt.git;a=commit;h=eae6cac6a30b95bef04d033ed8a303b7e35a078b

We only support v1, not v2 or v3.

At the December 2019 review day, the behavior for LAN only devices was
defined. Such devices will use each LAN port as WAN.