arm64: dts: marvell: clean up armada-7040-db

Instead of duplicating the node hierarchy, reference the nodes by label,
adding labels where necessary.

Drop some trailing or inconsistent white lines while at it.

Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
[Thomas: drop Fixes tag as it is not a bug fix.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

arch/arm64/boot/dts/marvell/armada-7040-db.dts

@@ -55,38 +55,34 @@ memory@00000000 {
 		device_type = "memory";
 		reg = <0x0 0x0 0x0 0x80000000>;
 	};
+};
 
-	ap806 {
-		config-space {
-			spi@510600 {
-				status = "okay";
-
-				spi-flash@0 {
-					#address-cells = <1>;
-					#size-cells = <1>;
-					compatible = "n25q128a13";
-					reg = <0>; /* Chip select 0 */
-					spi-max-frequency = <10000000>;
+&i2c0 {
+	status = "okay";
+	clock-frequency = <100000>;
+};
 
-					partition@0 {
-						label = "U-Boot";
-						reg = <0 0x200000>;
-					};
-					partition@400000 {
-						label = "Filesystem";
-						reg = <0x200000 0xce0000>;
-					};
-				};
-			};
+&spi0 {
+	status = "okay";
 
-			i2c@511000 {
-				status = "okay";
-				clock-frequency = <100000>;
-			};
+	spi-flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "n25q128a13";
+		reg = <0>; /* Chip select 0 */
+		spi-max-frequency = <10000000>;
 
-			serial@512000 {
-				status = "okay";
-			};
+		partition@0 {
+			label = "U-Boot";
+			reg = <0 0x200000>;
+		};
+		partition@400000 {
+			label = "Filesystem";
+			reg = <0x200000 0xce0000>;
 		};
 	};
 };
+
+&uart0 {
+	status = "okay";
+};

arch/arm64/boot/dts/marvell/armada-ap806-dual.dtsi

@@ -68,4 +68,3 @@ cpu@001 {
 		};
 	};
 };
-

arch/arm64/boot/dts/marvell/armada-ap806-quad.dtsi

@@ -79,6 +79,4 @@ cpu@101 {
 			enable-method = "psci";
 		};
 	};
-
 };
-

arch/arm64/boot/dts/marvell/armada-ap806.dtsi

@@ -59,7 +59,6 @@ psci {
 		method = "smc";
 	};
 
-
 	ap806 {
 		#address-cells = <2>;
 		#size-cells = <2>;
@@ -190,7 +189,7 @@ i2c0: i2c@511000 {
 				status = "disabled";
 			};
 
-			serial@512000 {
+			uart0: serial@512000 {
 				compatible = "snps,dw-apb-uart";
 				reg = <0x512000 0x100>;
 				reg-shift = <2>;
@@ -200,7 +199,7 @@ serial@512000 {
 				status = "disabled";
 			};
 
-			serial@512100 {
+			uart1: serial@512100 {
 				compatible = "snps,dw-apb-uart";
 				reg = <0x512100 0x100>;
 				reg-shift = <2>;
@@ -232,6 +231,4 @@ ringclk: clk@250 {
 			};
 		};
 	};
-
 };
-