wifi: mt76: connac: add more unified event IDs

Add more unified event IDs which will be used in new chipset.

This is the preliminary patch for mt7925 support.

Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>