tests: drivers: gpio: Add MAX32657 boards overlay files

Add MAX32657 boards overlay files to gpio test be supported.

Signed-off-by: Mert Ekren <[email protected]>

Author: mertekren

tests/drivers/gpio/gpio_basic_api/boards/max32657evkit_max32657.overlay

@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) 2024 Analog Devices, Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	resources {
+		compatible = "test-gpio-basic-api";
+		out-gpios = <&gpio0 3 0>;
+		in-gpios = <&gpio0 12 0>;
+	};
+};

tests/drivers/gpio/gpio_basic_api/boards/max32657evkit_max32657_ns.overlay

@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) 2024 Analog Devices, Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	resources {
+		compatible = "test-gpio-basic-api";
+		out-gpios = <&gpio0 3 0>;
+		in-gpios = <&gpio0 12 0>;
+	};
+};