wifi: mt76: mt7925: add RNR scan support for 6GHz

Enhance the mt7925 to include RNR scan support. It adds
the necessary RNR information to the scan command.

Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Link: https://patch.msgid.link/20250321013829.3598-2-mingyen.hsieh@mediatek.com


Signed-off-by: Felix Fietkau <nbd@nbd.name>