ARM: dts: exynos: white-space cleanups

Fixups some white-space issues.  Checkpatch reported:

  WARNING: Block comments should align the * on each line
  WARNING: please, no spaces at the start of a line
  ERROR: code indent should use tabs where possible
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210315124313.114842-2-krzysztof.kozlowski@canonical.com

arch/arm/boot/dts/exynos4412-odroid-common.dtsi

@@ -2,7 +2,7 @@
 /*
  * Common definition for Hardkernel's Exynos4412 based ODROID-X/X2/U2/U3 boards
  * device tree source
-*/
+ */
 
 #include <dt-bindings/sound/samsung-i2s.h>
 #include <dt-bindings/input/input.h>

arch/arm/boot/dts/exynos4412-odroidx.dts

@@ -84,7 +84,8 @@ hub@1 {
 			ethernet: usbether@1 {
 				compatible = "usb0424,ec00";
 				reg = <1>;
-				local-mac-address = [00 00 00 00 00 00]; /* Filled in by a bootloader */
+				/* Filled in by a bootloader */
+				local-mac-address = [00 00 00 00 00 00];
 			};
 		};
 	};