driver_ng: implement new rmt driver

The legacy driver can't handle the breaking change between esp chips

very well.

And it's not elegant to extend new feature like DMA, ETM.

The new driver can return a opaque handle for each RMT channel.

An obvious transaction concept was also introduced.

TX and RX functionalities are splited out.

components/driver/test_apps/rmt/pytest_rmt.py

@@ -0,0 +1,24 @@
+# SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
+# SPDX-License-Identifier: CC0-1.0
+
+import pytest
+from pytest_embedded import Dut
+
+
+@pytest.mark.esp32
+@pytest.mark.esp32s2
+@pytest.mark.esp32s3
+@pytest.mark.esp32c3
+@pytest.mark.generic
+@pytest.mark.parametrize(
+    'config',
+    [
+        'iram_safe',
+        'release',
+    ],
+    indirect=True,
+)
+def test_rmt(dut: Dut) -> None:
+    dut.expect('Press ENTER to see the list of tests')
+    dut.write('*')
+    dut.expect_unity_test_output()