This way the radio (phy) name can be the same through module reloads.
To set the desired name:
uci set wireless.@wifi-device[0].phyname=wiphy0
I guess this only works on ipq6086 boards as I could not find a more
generic place to put this. Maybe someone can improve it.
Signed-off-by: Ben Greear <greearb@candelatech.com>