ARM: dts: imx6-tx6: cleanup; no functional change

Add an empty line between properties and subnode in the clocks node.
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx6qdl-tx6.dtsi

@@ -67,6 +67,7 @@ memory {
 	clocks {
 		#address-cells = <1>;
 		#size-cells = <0>;
+
 		mclk: clock@0 {
 			compatible = "fixed-clock";
 			reg = <0>;