wifi: mt76: mt792x: add P2P_DEVICE support

Regist the NL80211_IFTYPE_P2P_DEVICE to support p2p device
for mt792x chips

Signed-off-by: Hao Zhang <hao.zhang.mediatek@gmail.com>
Signed-off-by: allan.wang <allan.wang@mediatek.com>
Signed-off-by: Ming Yen Hsieh <MingYen.Hsieh@mediatek.com>
Link: https://patch.msgid.link/20240919081713.23787-1-mingyen.hsieh@mediatek.com


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