wifi: ath12k: Do not use scan_flags from struct ath12k_wmi_scan_req_arg

As discussed in [1] to fix the mismatch between the WMI_SCAN_XXX macros &
their corresponding scan_f_xxx bitfield equivalent, lets stop using the
scan_flags in the union altogether.

[1] https://lore.kernel.org/all/4be7d62e-cb59-462d-aac2-94e27efc22ff@quicinc.com/

Tested-on: QCN9274 hw2.0 PCI CI_WLAN.WBE.1.3-02907.1-QCAHKSWPL_SILICONZ-10

Signed-off-by: Nicolas Escande <nico.escande@gmail.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240211145548.1939610-2-nico.escande@gmail.com

drivers/net/wireless/ath/ath12k/mac.c

@@ -3201,7 +3201,7 @@ static int ath12k_mac_op_hw_scan(struct ieee80211_hw *hw,
 		for (i = 0; i < arg.num_ssids; i++)
 			arg.ssid[i] = req->ssids[i];
 	} else {
-		arg.scan_flags |= WMI_SCAN_FLAG_PASSIVE;
+		arg.scan_f_passive = 1;
 	}
 
 	if (req->n_channels) {
@@ -7555,7 +7555,7 @@ static int ath12k_mac_op_remain_on_channel(struct ieee80211_hw *hw,
 	arg.dwell_time_active = scan_time_msec;
 	arg.dwell_time_passive = scan_time_msec;
 	arg.max_scan_time = scan_time_msec;
-	arg.scan_flags |= WMI_SCAN_FLAG_PASSIVE;
+	arg.scan_f_passive = 1;
 	arg.burst_duration = duration;
 
 	ret = ath12k_start_scan(ar, &arg);

drivers/net/wireless/ath/ath12k/wmi.c

@@ -2194,7 +2194,7 @@ void ath12k_wmi_start_scan_init(struct ath12k *ar,
 				  WMI_SCAN_EVENT_BSS_CHANNEL |
 				  WMI_SCAN_EVENT_FOREIGN_CHAN |
 				  WMI_SCAN_EVENT_DEQUEUED;
-	arg->scan_flags |= WMI_SCAN_CHAN_STAT_EVENT;
+	arg->scan_f_chan_stat_evnt = 1;
 	arg->num_bssid = 1;
 
 	/* fill bssid_list[0] with 0xff, otherwise bssid and RA will be