arm64: tegra: Rename cbb@0 to bus@0 on Tegra194

The control backbone is a simple-bus and hence its device tree node
should be named "bus@<unit-address>" according to the bindings.
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi

@@ -8,18 +8,18 @@ / {
 	compatible = "nvidia,p2888", "nvidia,tegra194";
 
 	aliases {
-		ethernet0 = "/cbb@0/ethernet@2490000";
-		mmc0 = "/cbb@0/mmc@3460000";
-		mmc1 = "/cbb@0/mmc@3400000";
+		ethernet0 = "/bus@0/ethernet@2490000";
+		mmc0 = "/bus@0/mmc@3460000";
+		mmc1 = "/bus@0/mmc@3400000";
 		serial0 = &tcu;
 		i2c0 = "/bpmp/i2c";
-		i2c1 = "/cbb@0/i2c@3160000";
-		i2c2 = "/cbb@0/i2c@c240000";
-		i2c3 = "/cbb@0/i2c@3180000";
-		i2c4 = "/cbb@0/i2c@3190000";
-		i2c5 = "/cbb@0/i2c@31c0000";
-		i2c6 = "/cbb@0/i2c@c250000";
-		i2c7 = "/cbb@0/i2c@31e0000";
+		i2c1 = "/bus@0/i2c@3160000";
+		i2c2 = "/bus@0/i2c@c240000";
+		i2c3 = "/bus@0/i2c@3180000";
+		i2c4 = "/bus@0/i2c@3190000";
+		i2c5 = "/bus@0/i2c@31c0000";
+		i2c6 = "/bus@0/i2c@c250000";
+		i2c7 = "/bus@0/i2c@31e0000";
 	};
 
 	chosen {
@@ -27,7 +27,7 @@ chosen {
 		stdout-path = "serial0:115200n8";
 	};
 
-	cbb@0 {
+	bus@0 {
 		ethernet@2490000 {
 			status = "okay";
 

arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts

@@ -10,7 +10,7 @@ / {
 	model = "NVIDIA Jetson AGX Xavier Developer Kit";
 	compatible = "nvidia,p2972-0000", "nvidia,tegra194";
 
-	cbb@0 {
+	bus@0 {
 		aconnect@2900000 {
 			status = "okay";
 
@@ -93,10 +93,10 @@ usb3-3 {
 		usb@3610000 {
 			status = "okay";
 
-			phys =	<&{/cbb@0/padctl@3520000/pads/usb2/lanes/usb2-1}>,
-				<&{/cbb@0/padctl@3520000/pads/usb2/lanes/usb2-3}>,
-				<&{/cbb@0/padctl@3520000/pads/usb3/lanes/usb3-0}>,
-				<&{/cbb@0/padctl@3520000/pads/usb3/lanes/usb3-3}>;
+			phys =	<&{/bus@0/padctl@3520000/pads/usb2/lanes/usb2-1}>,
+				<&{/bus@0/padctl@3520000/pads/usb2/lanes/usb2-3}>,
+				<&{/bus@0/padctl@3520000/pads/usb3/lanes/usb3-0}>,
+				<&{/bus@0/padctl@3520000/pads/usb3/lanes/usb3-3}>;
 			phy-names = "usb2-1", "usb2-3", "usb3-0", "usb3-3";
 		};
 

arch/arm64/boot/dts/nvidia/tegra194.dtsi

@@ -16,7 +16,7 @@ / {
 	#size-cells = <2>;
 
 	/* control backbone */
-	cbb@0 {
+	bus@0 {
 		compatible = "simple-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;