wifi: mt76: mt792x: re-register CHANCTX_STA_CSA only for the mt7921 series

JIRA: https://issues.redhat.com/browse/RHEL-89169

commit 06e7000
Author: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Date:   Thu Mar 13 13:40:44 2025 +0800

    wifi: mt76: mt792x: re-register CHANCTX_STA_CSA only for the mt7921 series
    
    CSA is currently not supported on mt7925, so CSA is only registered for
    the mt7921 series
    
    Cc: stable@vger.kernel.org
    Fixes: 8aa2f59 ("wifi: mt76: mt7921: introduce CSA support")
    Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
    Link: https://patch.msgid.link/20250313054044.2638837-1-mingyen.hsieh@mediatek.com
    Signed-off-by: Felix Fietkau <nbd@nbd.name>

Signed-off-by: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>

Author: jtornosm

drivers/net/wireless/mediatek/mt76/mt792x_core.c

@@ -665,7 +665,8 @@ int mt792x_init_wiphy(struct ieee80211_hw *hw)
 	ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
 	ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW);
 	ieee80211_hw_set(hw, CONNECTION_MONITOR);
-	ieee80211_hw_set(hw, CHANCTX_STA_CSA);
+	if (is_mt7921(&dev->mt76))
+		ieee80211_hw_set(hw, CHANCTX_STA_CSA);
 
 	if (dev->pm.enable)
 		ieee80211_hw_set(hw, CONNECTION_MONITOR);