wcn36xx: add debug prints for sw_scan start/complete

Add some MAC debug prints for more easily demarcating a software scan
when parsing logs.
Signed-off-by: Benjamin Li <benl@squareup.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20211027170306.555535-2-benl@squareup.com

drivers/net/wireless/ath/wcn36xx/main.c

@@ -707,6 +707,8 @@ static void wcn36xx_sw_scan_start(struct ieee80211_hw *hw,
 	struct wcn36xx *wcn = hw->priv;
 	struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
 
+	wcn36xx_dbg(WCN36XX_DBG_MAC, "sw_scan_start");
+
 	wcn->sw_scan = true;
 	wcn->sw_scan_vif = vif;
 	wcn->sw_scan_channel = 0;
@@ -721,6 +723,8 @@ static void wcn36xx_sw_scan_complete(struct ieee80211_hw *hw,
 {
 	struct wcn36xx *wcn = hw->priv;
 
+	wcn36xx_dbg(WCN36XX_DBG_MAC, "sw_scan_complete");
+
 	/* ensure that any scan session is finished */
 	wcn36xx_smd_finish_scan(wcn, HAL_SYS_MODE_SCAN, wcn->sw_scan_vif);
 	wcn->sw_scan = false;