Add support for Archer c50 v6 radio 5ghz not work

For Developers
1

Archer can run openwrt, but it doesn't work 5ghz radio.
Apparently it is almost the same hardware as v5, v4.

iwinfo doesn't show it.

Thanks.

2

A post was merged into an existing topic: TP-Link Archer C50 (EU) V6.0 - 5 Ghz interface not present