ath6kl: Fix bug in bg scan configuration in schedule scan

Background scan interval should not be modified while starting
schedule scanning as it changes the bg scan interval when connected to AP.
Use the currently configured interval instead.

kvalo: improve commit log
Signed-off-by: NSubramania Sharma <sharmat@qca.qualcomm.com>
Signed-off-by: NKalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath6kl/cfg80211.c

@@ -3121,7 +3121,7 @@ static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
 
 	ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
 				  interval, interval,
-				  10, 0, 0, 0, 3, 0, 0, 0);
+				  vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
 
 	if (request->n_ssids && request->ssids[0].ssid_len) {
 		for (i = 0; i < request->n_ssids; i++) {