samples: sensor/mcux_lpcmp: Add LPCMP use case

Enable LPCMP use case on NXP frdm_mcxn236 board.

Signed-off-by: Neil Chen <[email protected]>

Author: NeilChen93

samples/sensor/mcux_lpcmp/README.rst

@@ -35,3 +35,14 @@ LPCMP positive input port voltage by changing the voltage input to J2-17.
    :board: frdm_mcxn947//cpu0
    :goals: build flash
    :compact:
+
+Building and Running for NXP FRDM-MCXN236
+=========================================
+Build the application for the :ref:`frdm_mcxn236` board, and adjust the
+LPCMP positive input port voltage by changing the voltage input to J2-8.
+
+.. zephyr-app-commands::
+   :zephyr-app: samples/sensor/mcux_lpcmp
+   :board: frdm_mcxn236
+   :goals: build flash
+   :compact:

samples/sensor/mcux_lpcmp/boards/frdm_mcxn236.overlay

@@ -0,0 +1,9 @@
+/*
+ * Copyright 2024 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&lpcmp0 {
+	function-clock = "CMP_CLOCK";
+};

samples/sensor/mcux_lpcmp/sample.yaml

@@ -4,8 +4,10 @@ sample:
 common:
   platform_allow:
     - frdm_mcxn947/mcxn947/cpu0
+    - frdm_mcxn236
   integration_platforms:
     - frdm_mcxn947/mcxn947/cpu0
+    - frdm_mcxn236
   tags:
     - drivers
     - sensor