samples: bluetooth: Add configuration for nRF54lv10dk

Add missing configuration for event_trigger bluetooth sample

Signed-off-by: Aytürk Düzen <ayturk.duzen@nordicsemi.no>

Author: AyturkDuzen

samples/bluetooth/event_trigger/boards/nrf54lv10dk_nrf54lv10a_cpuapp.overlay

@@ -0,0 +1,11 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	aliases {
+		egu = &egu10;
+	};
+};