[nrf fromtree] tests: drivers: gpio: gpio_basic_api: Add nrf54l09pdk support

Add overlay for nrf54l09pdk/nrf54l09/cpuapp target.

Signed-off-by: Krzysztof Chruściński <[email protected]>

Signed-off-by: Sebastian Głąb <[email protected]>
(cherry picked from commit eda1b3f)

Author: nordic-krch

tests/drivers/gpio/gpio_basic_api/boards/nrf54l09pdk_nrf54l09_cpuapp.overlay

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	resources {
+		compatible = "test-gpio-basic-api";
+		out-gpios = <&gpio1 10 0>;
+		in-gpios = <&gpio1 11 0>;
+	};
+};
+
+&gpiote20 {
+	status = "okay";
+};
+
+&gpio1 {
+	status = "okay";
+};