mt76: mt7915: initialize smps mode in mt7915_mcu_sta_rate_ctrl_tlv()

Initialize smps mode to prevent firmware rate adaptation issue.
Reviewed-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7915/mcu.c

@@ -1536,6 +1536,7 @@ mt7915_mcu_sta_rate_ctrl_tlv(struct sk_buff *skb, struct mt7915_dev *dev,
 	ra->channel = chandef->chan->hw_value;
 	ra->bw = sta->bandwidth;
 	ra->phy.bw = sta->bandwidth;
+	ra->mmps_mode = mt7915_mcu_get_mmps_mode(sta->smps_mode);
 
 	if (supp_rate) {
 		supp_rate &= mask->control[band].legacy;