drivers: wifi: nxp: Set default bandwidth for softap

When params->bandwidth is 0, set it
as a default value(WIFI_FREQ_BANDWIDTH_20MHZ).

Signed-off-by: Qiankun Li <[email protected]>

Author: Liam-qk

drivers/wifi/nxp/nxp_wifi_drv.c

@@ -579,6 +579,10 @@ static int nxp_wifi_start_ap(const struct device *dev, struct wifi_connect_req_p
 		wlan_uap_set_hidden_ssid(params->ignore_broadcast_ssid);
 	}
 
+	if (params->bandwidth == 0) {
+		params->bandwidth = WIFI_FREQ_BANDWIDTH_20MHZ;
+	}
+
 	switch (params->bandwidth) {
 	case WIFI_FREQ_BANDWIDTH_20MHZ:
 	case WIFI_FREQ_BANDWIDTH_40MHZ: