src/include: Remove spaces before tabs

Fix the following warning detected by checkpatch.pl:

WARNING: please, no space before tabs

TEST=Build and run on Galileo Gen2

Change-Id: If60a58021d595289722d1d6064bea37b0b0bc039
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18652
Tested-by: build bot (Jenkins)
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/include/device/device.h b/src/include/device/device.h
index 6fcb9ae..e60277d 100644
--- a/src/include/device/device.h
+++ b/src/include/device/device.h
@@ -82,13 +82,13 @@
 
 struct bus {
 
-	ROMSTAGE_CONST struct device * 	dev;		/* This bridge device */
-	ROMSTAGE_CONST struct device * 	children;	/* devices behind this bridge */
+	ROMSTAGE_CONST struct device *	dev;		/* This bridge device */
+	ROMSTAGE_CONST struct device *	children;	/* devices behind this bridge */
 	ROMSTAGE_CONST struct bus	*next;		/* The next bridge on this device */
 	unsigned int	bridge_ctrl;	/* Bridge control register */
 	uint16_t	bridge_cmd;		/* Bridge command register */
 	unsigned char	link_num;	/* The index of this link */
-	uint16_t	secondary; 	/* secondary bus number */
+	uint16_t	secondary;	/* secondary bus number */
 	uint16_t	subordinate;	/* max subordinate bus number */
 	unsigned char   cap;		/* PCi capability offset */
 	uint32_t	hcdn_reg;		/* For HyperTransport link  */