P2P: Limit p2p_connect .. pbc join based on BSSID

Allow only the expected P2P Interface Address as the BSSID for
the AP to avoid selecting incorrect BSS should there be another
device that is advertising active PBC mode before the target
P2P GO does.

wpa_supplicant/p2p_supplicant.c

@@ -700,13 +700,14 @@ static int wpas_copy_go_neg_results(struct wpa_supplicant *wpa_s,
 static void wpas_start_wps_enrollee(struct wpa_supplicant *wpa_s,
 				    struct p2p_go_neg_results *res)
 {
+	wpa_printf(MSG_DEBUG, "P2P: Start WPS Enrollee for peer " MACSTR,
+		   MAC2STR(res->peer_interface_addr));
 	wpa_hexdump_ascii(MSG_DEBUG, "P2P: Start WPS Enrollee for SSID",
 			  res->ssid, res->ssid_len);
 	wpa_supplicant_ap_deinit(wpa_s);
 	wpas_copy_go_neg_results(wpa_s, res);
 	if (res->wps_method == WPS_PBC)
-		wpas_wps_start_pbc(wpa_s, NULL /* res->peer_interface_addr */,
-				   1);
+		wpas_wps_start_pbc(wpa_s, res->peer_interface_addr, 1);
 	else {
 		u16 dev_pw_id = DEV_PW_DEFAULT;
 		if (wpa_s->p2p_wps_method == WPS_PIN_KEYPAD)