WPS NFC: Cancel scheduled scan before attempting a scan

Cancel scheduled scan (if any) before attempting to scan for the newly
received configuration/credential in WPS NFC Config token case.

Signed-hostap: Jithu Jance <jithu@broadcom.com>

wpa_supplicant/wps_supplicant.c

@@ -2174,6 +2174,8 @@ static int wpas_wps_use_cred(struct wpa_supplicant *wpa_s,
 	}
 	wpa_s->disconnected = 0;
 	wpa_s->reassociate = 1;
+
+	wpa_supplicant_cancel_sched_scan(wpa_s);
 	wpa_supplicant_req_scan(wpa_s, 0, 0);
 
 	return 0;