P2P: Do not create a P2P Device interface if P2P is disabled

Do not add the dedicated P2P Device interface in case P2P is disabled in
the configuration file or globally.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>

wpa_supplicant/wpa_supplicant.c

@@ -4386,6 +4386,7 @@ struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
 
 #ifdef CONFIG_P2P
 	if (wpa_s->global->p2p == NULL &&
+	    !wpa_s->global->p2p_disabled && !wpa_s->conf->p2p_disabled &&
 	    (wpa_s->drv_flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE) &&
 	    wpas_p2p_add_p2pdev_interface(wpa_s, iface->conf_p2p_dev) < 0) {
 		wpa_printf(MSG_INFO,