[nrf fromtree] tests: drivers: gpio: gpio_basic_api: Enable test on nRF54L* cpuflpr

Add overlay required to run gpio_basic_api test on
- nrf54l09pdk/nrf54l09/cpuflpr and
- nrf54l20pdk/nrf54l20/cpuflpr.

Signed-off-by: Sebastian Głąb <[email protected]>
(cherry picked from commit fb1d730)

Author: nordic-segl

tests/drivers/gpio/gpio_basic_api/boards/nrf54l09pdk_nrf54l09_common.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";
+};

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

@@ -4,18 +4,4 @@
  * 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";
-};
+#include "nrf54l09pdk_nrf54l09_common.overlay"

tests/drivers/gpio/gpio_basic_api/boards/nrf54l09pdk_nrf54l09_cpuflpr.overlay

@@ -0,0 +1,7 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "nrf54l09pdk_nrf54l09_common.overlay"

tests/drivers/gpio/gpio_basic_api/boards/nrf54l20pdk_nrf54l20_cpuflpr.overlay

@@ -0,0 +1 @@
+#include "nrf54l20pdk_nrf54l20_cpuapp.overlay"