ARM: dts: sun7i: Fix HDMI output DTC warning

[ Upstream commit 4d9a0697 ]

Our HDMI output endpoint on the A10s DTSI has a warning under DTC: "graph
node has single child node 'endpoint', #address-cells/#size-cells are not
necessary". Fix this by removing those properties.
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

arch/arm/boot/dts/sun7i-a20.dtsi

@@ -639,8 +639,6 @@ hdmi_in_tcon1: endpoint@1 {
 				};
 
 				hdmi_out: port@1 {
-					#address-cells = <1>;
-					#size-cells = <0>;
 					reg = <1>;
 				};
 			};