wpa_supplicant: Do not register a P2P management interface on DBus

DBus client should always request the proper netdev interface. This will
be necessary to get a consistent behavior whatever driver is in use:
iwlwifi (which requires a P2P mgmt dev), ath9/10k (which does not),
etc...

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>

wpa_supplicant/wpa_supplicant.c

@@ -4030,14 +4030,16 @@ struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
 		return NULL;
 	}
 
-	/* Notify the control interfaces about new iface */
-	if (wpas_notify_iface_added(wpa_s)) {
-		wpa_supplicant_deinit_iface(wpa_s, 1, 0);
-		return NULL;
-	}
+	if (iface->p2p_mgmt == 0) {
+		/* Notify the control interfaces about new iface */
+		if (wpas_notify_iface_added(wpa_s)) {
+			wpa_supplicant_deinit_iface(wpa_s, 1, 0);
+			return NULL;
+		}
 
-	for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
-		wpas_notify_network_added(wpa_s, ssid);
+		for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
+			wpas_notify_network_added(wpa_s, ssid);
+	}
 
 	wpa_s->next = global->ifaces;
 	global->ifaces = wpa_s;