sunxi: binman: Fix spacing between nodes

Nodes should have a blank line separating them from sibling nodes and
properties. Add the necessary lines.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/arch/arm/dts/sunxi-u-boot.dtsi b/arch/arm/dts/sunxi-u-boot.dtsi
index c97943b..92a6447 100644
--- a/arch/arm/dts/sunxi-u-boot.dtsi
+++ b/arch/arm/dts/sunxi-u-boot.dtsi
@@ -14,9 +14,11 @@
 	u-boot-sunxi-with-spl {
 		filename = "u-boot-sunxi-with-spl.bin";
 		pad-byte = <0xff>;
+
 		blob {
 			filename = "spl/sunxi-spl.bin";
 		};
+
 #ifdef CONFIG_ARM64
 		fit {
 			description = "Configuration to load ATF before U-Boot";
@@ -34,6 +36,7 @@
 					u-boot-nodtb {
 					};
 				};
+
 				atf {
 					description = "ARM Trusted Firmware";
 					type = "firmware";
@@ -47,6 +50,7 @@
 					load = <0x44000>;
 					entry = <0x44000>;
 #endif
+
 					atf-bl31 {
 						missing-msg = "atf-bl31-sunxi";
 					};
@@ -61,6 +65,7 @@
 
 			configurations {
 				default = "config-1";
+
 				@config-SEQ {
 					description = "NAME";
 					firmware = "uboot";