wireless-regdb: update BG's regulatory rules
wireless-regdb: update BG's regulatory rules

This reduces the 5 GHz max EIRP to 20, enables VHT80
and removes the last 5 GHz DFS frequency range.

Source is QCA's regulatory team's efforts.

Signed-off-by: Luis R. Rodriguez <d4fa18192c5a479e564d29c2300c2e15afd1d8d7@do-not-panic.com>

CTU-IIG/802.11p-wireless-regdb