feat(i2s): support i2s legacy driver on p4

components/esp_driver_i2s/test_apps/i2s/pytest_i2s.py

@@ -1,6 +1,5 @@
 # SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
 # SPDX-License-Identifier: Apache-2.0
-
 import pytest
 from pytest_embedded import Dut
 
@@ -11,6 +10,7 @@ from pytest_embedded import Dut
 @pytest.mark.esp32c6
 @pytest.mark.esp32s3
 @pytest.mark.esp32h2
+@pytest.mark.esp32p4
 @pytest.mark.generic
 @pytest.mark.parametrize(
     'config',