wifi: mt76: enable UNII-4 channel 177 support

Enable support for the 5GHz channel 177 with center frequency 5885MHz and
operating class 125 based on IEEE Std 802.11ax-2021 Table E-4.
Signed-off-by: Himanshu Goyal <himanshu.goyal@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mac80211.c

@@ -76,6 +76,7 @@ static const struct ieee80211_channel mt76_channels_5ghz[] = {
 	CHAN5G(165, 5825),
 	CHAN5G(169, 5845),
 	CHAN5G(173, 5865),
+	CHAN5G(177, 5885),
 };
 
 static const struct ieee80211_channel mt76_channels_6ghz[] = {