wifi: mt76: mt7996: Initial DMA configuration for MT7992 WED support

wifi: mt76: mt7996: Initial DMA configuration for MT7992 WED support

Manage differences in DMA and RX queues configuration for MT7992 and
MT7996.
This is a preliminary patch to enable WED support for MT7992 Kite
chipset supported by MT7996 driver.

Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
Co-developed-by: Benjamin Lin <benjamin-jw.lin@mediatek.com>
Signed-off-by: Benjamin Lin <benjamin-jw.lin@mediatek.com>
Signed-off-by: Rex Lu <rex.lu@mediatek.com>
Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250909-mt7996-rro-rework-v5-5-7d66f6eb7795@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>