arm64: dts: marvell: armada-37xx: Use angle bracket for each register set

When several groups of register address and size are used with reg, then
surround each one by angle bracket.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

arch/arm64/boot/dts/marvell/armada-37xx.dtsi

@@ -281,8 +281,8 @@ usb2: usb@5e000 {
 
 			xor@60900 {
 				compatible = "marvell,armada-3700-xor";
-				reg = <0x60900 0x100
-				       0x60b00 0x100>;
+				reg = <0x60900 0x100>,
+				      <0x60b00 0x100>;
 
 				xor10 {
 					interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
@@ -295,8 +295,8 @@ xor11 {
 			sdhci0: sdhci@d8000 {
 				compatible = "marvell,armada-3700-sdhci",
 					     "marvell,sdhci-xenon";
-				reg = <0xd8000 0x300
-				       0x17808 0x4>;
+				reg = <0xd8000 0x300>,
+				      <0x17808 0x4>;
 				interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&nb_periph_clk 0>;
 				clock-names = "core";