samples: alarm: Add support for apollo4p_evb

Add support for apollo4p_evb to the counter alarm sample.

Signed-off-by: Mateusz Sierszulski <[email protected]>
Signed-off-by: Maciej Sobkowski <[email protected]>

Author: msobkowski

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

@@ -47,6 +47,8 @@ struct counter_alarm_cfg alarm_cfg;
 #define TIMER DT_NODELABEL(stimer0)
 #elif defined(CONFIG_COUNTER_INFINEON_CAT1)
 #define TIMER DT_NODELABEL(counter0_0)
+#elif defined(CONFIG_COUNTER_AMBIQ)
+#define TIMER DT_NODELABEL(counter0)
 #endif
 
 static void test_counter_interrupt_fn(const struct device *counter_dev,