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/stm32mp15-pinctrl.dtsi b/fdts/stm32mp15-pinctrl.dtsi
index d74dc2b..1b5fbc6 100644
--- a/fdts/stm32mp15-pinctrl.dtsi
+++ b/fdts/stm32mp15-pinctrl.dtsi
@@ -114,7 +114,7 @@
 			drive-push-pull;
 			bias-pull-up;
 		};
-		pins2{
+		pins2 {
 			pinmux = <STM32_PINMUX('E', 4, AF8)>; /* SDMMC1_CKIN */
 			bias-pull-up;
 		};