tests: drivers: gpio: Add support for RZ/G2UL-SMARC

Enable GPIO driver tests for RZ/G2UL-SMARC

Signed-off-by: Phuc Pham <phuc.pham.xr@bp.renesas.com>
Signed-off-by: Nhut Nguyen <nhut.nguyen.kc@renesas.com>

Author: Phuc Pham

tests/drivers/gpio/gpio_api_1pin/boards/rzg2ul_smarc_r9a07g043u11gbg_cm33.overlay

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2025 Renesas Electronics Corporation
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	aliases {
+		led0 = &led_0;
+	};
+
+	gpio-led {
+		compatible = "gpio-leds";
+
+		led_0: led_0 {
+			gpios = <&gpio1 4 0>;
+		};
+	};
+};
+
+&gpio {
+	status = "okay";
+};
+
+&gpio1 {
+	irqs = <4 20>;
+	status = "okay";
+};

tests/drivers/gpio/gpio_basic_api/boards/rzg2ul_smarc_r9a07g043u11gbg_cm33.conf

@@ -0,0 +1 @@
+CONFIG_SKIP_PULL_TEST=y

tests/drivers/gpio/gpio_basic_api/boards/rzg2ul_smarc_r9a07g043u11gbg_cm33.overlay

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2025 Renesas Electronics Corporation
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	resources {
+		compatible = "test-gpio-basic-api";
+		out-gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>;
+		in-gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&gpio {
+	status = "okay";
+};
+
+&gpio1 {
+	irqs = <4 20>;
+	status = "okay";
+};