arm64: dts: mediatek: mt8195: Assign dp-intf aliases

Assign aliases for the primary and secondary dp-intf IP to properly
and reliably enable DisplayPort functionality.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
Link: https://lore.kernel.org/r/20230424112523.1436926-3-angelogioacchino.delregno@collabora.comSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arch/arm64/boot/dts/mediatek/mt8195.dtsi

@@ -24,6 +24,8 @@ / {
 	#size-cells = <2>;
 
 	aliases {
+		dp-intf0 = &dp_intf0;
+		dp-intf1 = &dp_intf1;
 		gce0 = &gce0;
 		gce1 = &gce1;
 		ethdr0 = &ethdr0;