arm64: dts: ti: k3-am642-evm/sk: Mark mcu_gpio_intr as reserved

Similar to MCU GPIO, mark the MCU GPIO router also as reserved for MCU
domain firmware usage.
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20231110132508.3137454-1-vigneshr@ti.comSigned-off-by: Nishanth Menon <nm@ti.com>

arch/arm64/boot/dts/ti/k3-am642-evm.dts

@@ -468,11 +468,15 @@ &main_gpio0 {
 	bootph-all;
 };
 
-/* mcu_gpio0 is reserved for mcu firmware usage */
+/* mcu_gpio0 and mcu_gpio_intr are reserved for mcu firmware usage */
 &mcu_gpio0 {
 	status = "reserved";
 };
 
+&mcu_gpio_intr {
+	status = "reserved";
+};
+
 &main_spi0 {
 	status = "okay";
 	pinctrl-names = "default";

arch/arm64/boot/dts/ti/k3-am642-sk.dts

@@ -433,11 +433,15 @@ exp2: gpio@60 {
 	};
 };
 
-/* mcu_gpio0 is reserved for mcu firmware usage */
+/* mcu_gpio0 and mcu_gpio_intr are reserved for mcu firmware usage */
 &mcu_gpio0 {
 	status = "reserved";
 };
 
+&mcu_gpio_intr {
+	status = "reserved";
+};
+
 &sdhci0 {
 	vmmc-supply = <&wlan_en>;
 	bus-width = <4>;