Country Location Control (CLC) is an additional control for country rules
in firmware. We introduce this new feature to make sure mt7921 series
working properly in all region.

The addtional policies would be put into firmware based on differnt
regions. mt76 driver should be in charge of submitting per region policy.
Reviewed-by: NSean Wang <sean.wang@mediatek.com>
Tested-by: NYN Chen <YN.Chen@mediatek.com>
Co-developed-by: NDeren Wu <deren.wu@mediatek.com>
Signed-off-by: NDeren Wu <deren.wu@mediatek.com>
Signed-off-by: NMing Yen Hsieh <mingyen.hsieh@mediatek.com>
Signed-off-by: NFelix Fietkau <nbd@nbd.name>