wifi: mt76: mt7921: Add missing __packed annotation of struct mt7921_clc

Add __packed annotation to avoid potential CLC parsing error

Fixes: 23bdc5d8 ("wifi: mt76: mt7921: introduce Country Location Control support")
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h

@@ -224,7 +224,7 @@ struct mt7921_clc {
 	u8 type;
 	u8 rsv[8];
 	u8 data[];
-};
+} __packed;
 
 struct mt7921_phy {
 	struct mt76_phy *mt76;