arm64: dts: ti: k3-am62p5-sk: fix graph_child_address warnings

Fix the following warnings that are thrown when building dtbs with W=1:

../arch/arm64/boot/dts/ti/k3-am62p5-sk.dts:367.10-376.6: Warning (graph_child_address): /bus@f0000/i2c@20000000/usb-power-controller@3f/connector/ports: graph node has single child node 'port@0', #address-cells/#size-cells are not necessary
../arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi:647.22-657.5: Warning (graph_child_address): /bus@f0000/usb@f900000/usb@31000000: graph node has single child node 'port@0', #address-cells/#size-cells are not necessary
  also defined at ../arch/arm64/boot/dts/ti/k3-am62p5-sk.dts:517.7-528.3

Cc: Roger Quadros <rogerq@kernel.org>
Signed-off-by: Dhruva Gole <d-gole@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20240626101520.1782320-2-d-gole@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

Author: DhruvaG2000

arch/arm64/boot/dts/ti/k3-am62p5-sk.dts

@@ -364,14 +364,9 @@
 			self-powered;
 			data-role = "dual";
 			power-role = "sink";
-			ports {
-				#address-cells = <1>;
-				#size-cells = <0>;
-				port@0 {
-					reg = <0>;
-					usb_con_hs: endpoint {
-						remote-endpoint = <&usb0_hs_ep>;
-					};
+			port {
+				usb_con_hs: endpoint {
+				remote-endpoint = <&usb0_hs_ep>;
 				};
 			};
 		};
@@ -516,11 +511,8 @@
 
 &usb0 {
 	usb-role-switch;
-	#address-cells = <1>;
-	#size-cells = <0>;
 
-	port@0 {
-		reg = <0>;
+	port {
 		usb0_hs_ep: endpoint {
 			remote-endpoint = <&usb_con_hs>;
 		};