wireless-regdb: update KE's 5 GHz rules
wireless-regdb: update KE's 5 GHz rules

This:

  o Shrinks the existing 5 GHz band by 60 MHz
    and decreases its max EIRP from 30 dBm to
    23 dBm

  o Adds new 5 GHz frequency ranges with VHT80
    support

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