wifi: mt76: mt7996: advertize beacon_int_min_gcd

Advertize beacon_int_min_gcd as 100 to allow setting different beacon
intervals on different interfaces.

Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Link: https://patch.msgid.link/20240816094635.2391-4-shayne.chen@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7996/init.c

@@ -42,6 +42,7 @@ static const struct ieee80211_iface_combination if_comb[] = {
 				       BIT(NL80211_CHAN_WIDTH_40) |
 				       BIT(NL80211_CHAN_WIDTH_80) |
 				       BIT(NL80211_CHAN_WIDTH_160),
+		.beacon_int_min_gcd = 100,
 	}
 };