ARM: dts: imx6*-hummingboard2: fix formatting

Trivial formatting change.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx6qdl-hummingboard2.dtsi

@@ -534,9 +534,7 @@ &pinctrl_hummingboard2_usdhc2_200mhz
 
 &usdhc3 {
 	pinctrl-names = "default";
-	pinctrl-0 = <
-		&pinctrl_hummingboard2_usdhc3
-	>;
+	pinctrl-0 = <&pinctrl_hummingboard2_usdhc3>;
 	vmmc-supply = <&reg_3p3v>;
 	vqmmc-supply = <&reg_3p3v>;
 	bus-width = <8>;