arm64: dts: allwinner: a64: Fix display pipeline endpoints

Commit a7f7047f ("arm64: dts: allwinner: a64: Add cross links for the
mixers") introduced a few errors while fixing the cross links. Make sure to
correct them.

Fixes: a7f7047f ("arm64: dts: allwinner: a64: Add cross links for the mixers")
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi

@@ -282,6 +282,8 @@ ports {
 					#size-cells = <0>;
 
 					mixer1_out: port@1 {
+						#address-cells = <1>;
+						#size-cells = <0>;
 						reg = <1>;
 
 						mixer1_out_tcon0: endpoint@0 {
@@ -372,7 +374,7 @@ tcon0_in_mixer0: endpoint@0 {
 
 					tcon0_in_mixer1: endpoint@1 {
 						reg = <1>;
-						remote-endpoint = <&mixer1_out_tcon1>;
+						remote-endpoint = <&mixer1_out_tcon0>;
 					};
 				};