refactor(stm32mp1-fdts): add missing spaces for consistent codestyle

Change-Id: Ie650728a0c671f553679b050afd969ce604ca111
Signed-off-by: Johann Neuhauser <jneuhauser@dh-electronics.com>
diff --git a/fdts/stm32mp151.dtsi b/fdts/stm32mp151.dtsi
index 20071fe..575d61e 100644
--- a/fdts/stm32mp151.dtsi
+++ b/fdts/stm32mp151.dtsi
@@ -360,7 +360,7 @@
 			status = "disabled";
 		};
 
-		ddr: ddr@5a003000{
+		ddr: ddr@5a003000 {
 			compatible = "st,stm32mp1-ddr";
 			reg = <0x5A003000 0x550 0x5A004000 0x234>;
 			clocks = <&rcc AXIDCG>,