tests: subsys: pm: Use WUT as idle timer for MAX32655 boards

Use Wake-Up Timer which has a higher resolution than RTC as the sleep
timer for MAX32655 boards.

Signed-off-by: Tahsin Mutlugun <[email protected]>

Author: ttmut

tests/subsys/pm/power_mgmt_soc/boards/max32655evkit_max32655_m4.overlay

@@ -1,16 +1,19 @@
 /*
- * Copyright (c) 2024 Analog Devices, Inc.
+ * Copyright (c) 2024-2025 Analog Devices, Inc.
  *
  * SPDX-License-Identifier: Apache-2.0
  */
 
 / {
 	chosen {
-		zephyr,cortex-m-idle-timer = &rtc_counter;
+		zephyr,cortex-m-idle-timer = &counter_wut0;
 	};
 };
 
-&rtc_counter {
+&wut0 {
 	status = "okay";
 	wakeup-source;
+	counter_wut0: counter {
+		status = "okay";
+	};
 };

tests/subsys/pm/power_mgmt_soc/boards/max32655fthr_max32655_m4.overlay

@@ -1,16 +1,19 @@
 /*
- * Copyright (c) 2024 Analog Devices, Inc.
+ * Copyright (c) 2024-2025 Analog Devices, Inc.
  *
  * SPDX-License-Identifier: Apache-2.0
  */
 
 / {
 	chosen {
-		zephyr,cortex-m-idle-timer = &rtc_counter;
+		zephyr,cortex-m-idle-timer = &counter_wut0;
 	};
 };
 
-&rtc_counter {
+&wut0 {
 	status = "okay";
 	wakeup-source;
+	counter_wut0: counter {
+		status = "okay";
+	};
 };