[nrf fromtree] tests: drivers: build_all: comparator: add nrf_lpcomp

Add nrf_lpcomp to build_all comparator test suite.

Signed-off-by: Bjarki Arge Andreasen <[email protected]>
(cherry picked from commit a4fce33)
(cherry picked from commit 2badeca)

Author: bjarki-andreasen

tests/drivers/build_all/comparator/nrf_lpcomp/ext_ref.overlay

@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&comp {
+	compatible = "nordic,nrf-lpcomp";
+	psel = "AIN0";
+	refsel = "VDD_4_8";
+	status = "okay";
+};

tests/drivers/build_all/comparator/nrf_lpcomp/int_ref.overlay

@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&comp {
+	compatible = "nordic,nrf-lpcomp";
+	psel = "AIN0";
+	refsel = "AREF";
+	extrefsel = "AIN1";
+	status = "okay";
+};

tests/drivers/build_all/comparator/testcase.yaml

@@ -46,3 +46,23 @@ tests:
       - nrf54h20dk/nrf54h20/cpuapp
       - nrf54l15dk/nrf54l15/cpuapp
       - nrf9280pdk/nrf9280/cpuapp
+  drivers.build_all.comparator.nrf_lpcomp.ext_ref:
+    extra_args:
+      - DTC_OVERLAY_FILE="nrf_lpcomp/ext_ref.overlay"
+    platform_allow:
+      - nrf51dk/nrf51822
+      - nrf52dk/nrf52832
+      - nrf5340dk/nrf5340/cpuapp
+      - nrf54h20dk/nrf54h20/cpuapp
+      - nrf54l15dk/nrf54l15/cpuapp
+      - nrf9280pdk/nrf9280/cpuapp
+  drivers.build_all.comparator.nrf_lpcomp.int_ref:
+    extra_args:
+      - DTC_OVERLAY_FILE="nrf_lpcomp/int_ref.overlay"
+    platform_allow:
+      - nrf51dk/nrf51822
+      - nrf52dk/nrf52832
+      - nrf5340dk/nrf5340/cpuapp
+      - nrf54h20dk/nrf54h20/cpuapp
+      - nrf54l15dk/nrf54l15/cpuapp
+      - nrf9280pdk/nrf9280/cpuapp