cpu/intel: Indent with tabs

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

ERROR: code indent should use tabs where possible
WARNING: please, no space before tabs

TEST=Build and run on Galileo Gen2

Change-Id: I5bcd82561ef5856e99055d46528dcf3a283d2310
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18846
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

src/cpu/intel/haswell/smmrelocate.c

@@ -297,7 +297,9 @@ static void setup_ied_area(struct smm_relocation_params *params)
 
 	/* According to the BWG MP init section 2MiB of memory at IEDBASE +
 	 * 2MiB should be zeroed as well. However, I suspect what is intended
-	 * is to clear the memory covered by EMRR. TODO(adurbin): figure out if 	 * this is really required. */
+	 * is to clear the memory covered by EMRR. TODO(adurbin): figure out if
+	 * this is really required.
+	 */
 	//memset(ied_base + (2 << 20), 0, (2 << 20));
 }