mainboard/artecgroup/dbe61/mainboard.c: Use tab for indents

Change-Id: I111ded7cc3cac21e4be6329209fdd067f313010a
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/17662
Tested-by: build bot (Jenkins)
Reviewed-by: Nico Huber <nico.h@gmx.de>

src/mainboard/artecgroup/dbe61/mainboard.c

@@ -44,9 +44,9 @@ static void init(struct device *dev)
 
 static void mainboard_enable(struct device *dev)
 {
-        dev->ops->init = init;
+	dev->ops->init = init;
 }
 
 struct chip_operations mainboard_ops = {
-        .enable_dev = mainboard_enable,
+	.enable_dev = mainboard_enable,
 };