src/include: Indent code using tabs

Fix the following error and warning detected by checkpatch.pl:

ERROR: code indent should use tabs where possible
WARNING: please, no spaces at the start of a line

TEST=Build and run on Galileo Gen2

Change-Id: I487771b8f4d7e104457116b772cd32df5cd721a6
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18646
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/include/device/dram/ddr3.h b/src/include/device/dram/ddr3.h
index bc9fca7..ee20ba7 100644
--- a/src/include/device/dram/ddr3.h
+++ b/src/include/device/dram/ddr3.h
@@ -204,8 +204,8 @@
 int dimm_is_registered(enum spd_dimm_type type);
 void dram_print_spd_ddr3(const dimm_attr * dimm);
 int spd_xmp_decode_ddr3(dimm_attr * dimm,
-		        spd_raw_data spd,
-		        enum ddr3_xmp_profile profile);
+			spd_raw_data spd,
+			enum ddr3_xmp_profile profile);
 
 /**
  * \brief Read double word from specified address