Mt7621 and mtk ax drivers

@psherman i''l share it only if a developer can say it will not work outside of openwrt.
until that i' ll not share
case closed
i'm not sure if you undeerstad that, i can compile the firmware for every ax DBDC device mt7621.
i do not want share that, that work on older kernel.
it's like i'm defending openwrt.
do you get that?