wifi: mt76: mt7921s: Introduce SDIO WiFi/BT combo module card reset

Add a hardware reset method to recover from the SDIO bus error that cannot
be resolved by the current WiFi/BT subsystem reset.

Signed-off-by: Leon Yen <leon.yen@mediatek.com>
Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Link: https://patch.msgid.link/20250418093740.3814909-1-mingyen.hsieh@mediatek.com


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