arm64: dts: mediatek: mt8195-demo: enable uart1

The UART1 is exposed on a header. Enable the uart1 node to be able to
use it.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Link: https://lore.kernel.org/r/20220426134106.242353-8-fparent@baylibre.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

Author: Fabo

arch/arm64/boot/dts/mediatek/mt8195-demo.dts

@@ -406,6 +406,12 @@
 	status = "okay";
 };
 
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart1_pins>;
+	status = "okay";
+};
+
 &u3phy0 {
 	status = "okay";
 };