samples: drivers: counter: alarm: add psc3m5

Enable the alarm sample for the kit_psc3m5_evk

Signed-off-by: Bill Waters <[email protected]>

Author: billwatersiii

samples/drivers/counter/alarm/boards/kit_psc3m5_evk.overlay

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2025 Infineon Technologies AG,
+ * or an affiliate of Infineon Technologies AG.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/dt-bindings/pwm/pwm_ifx_tcpwm.h>
+
+&tcpwm0_0 {
+	status = "okay";
+	divider-type = <PWM_IFX_SYSCLK_DIV_16_BIT>;
+	divider-sel = <0>;
+	divider-val = <2399>;
+
+	counter0_0 {
+		status = "okay";
+		clocks = <&peri0_group4_16bit_0>;
+		clock-frequency = <20000>;
+	};
+};
+
+&peri0_group4_16bit_0 {
+	status = "okay";
+	scb-block = <0>;
+	div-value = <109>;
+};

samples/drivers/counter/alarm/src/main.c

@@ -49,7 +49,7 @@ struct counter_alarm_cfg alarm_cfg;
 #define TIMER DT_NODELABEL(rtcc0)
 #elif defined(CONFIG_COUNTER_GECKO_STIMER)
 #define TIMER DT_NODELABEL(stimer0)
-#elif defined(CONFIG_COUNTER_INFINEON_CAT1)
+#elif defined(CONFIG_COUNTER_INFINEON_CAT1) || defined(CONFIG_COUNTER_INFINEON_TCPWM)
 #define TIMER DT_NODELABEL(counter0_0)
 #elif defined(CONFIG_COUNTER_AMBIQ)
 #ifdef TIMER