add: k3-am67a-beagley-ai-w1-gpio23 test

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>

src/arm64/overlays/k3-am67a-beagley-ai-w1-gpio23.dts

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * DT Overlay for w1 gpio23 on BeagleY-AI board.
+ *
+ * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/
+ *
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/*
+ * Helper to show loaded overlays under: /proc/device-tree/chosen/overlays/
+ */
+&{/chosen} {
+	overlays {
+		k3-am67a-beagley-ai-w1-gpio23.kernel = __TIMESTAMP__;
+	};
+};
+
+&{/} {
+	onewire {
+		status = "okay";
+		pinctrl-names = "default";
+		pinctrl-0 = <&hat_16_gpio_pu>;
+
+		compatible = "w1-gpio";
+		gpios = <&mcu_gpio0 7 GPIO_ACTIVE_HIGH>;
+	};
+};