ARM: dts: mmp2: trivial whitespace fix

A missing space before a curly brace.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Acked-by: Pavel Machek <pavel@ucw.cz>

arch/arm/boot/dts/mmp2.dtsi

@@ -379,7 +379,7 @@ ssp4: ssp@d4039000 {
 			};
 		};
 
-		soc_clocks: clocks{
+		soc_clocks: clocks {
 			compatible = "marvell,mmp2-clock";
 			reg = <0xd4050000 0x1000>,
 			      <0xd4282800 0x400>,