arm64: dts: ti: k3-am62x-sk-common: Mark mcu gpio and mcu_gpio_intr as reserved

These are typically under MCU Firmware usage. Hence mark them reserved.
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20231110132508.3137454-3-vigneshr@ti.comSigned-off-by: Nishanth Menon <nm@ti.com>

arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi

@@ -517,3 +517,12 @@ dpi1_out: endpoint {
 		};
 	};
 };
+
+/* mcu_gpio0 and mcu_gpio_intr are reserved for mcu firmware usage */
+&mcu_gpio0 {
+	status = "reserved";
+};
+
+&mcu_gpio_intr {
+	status = "reserved";
+};