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/cpu/amd/sc520.h b/src/include/cpu/amd/sc520.h
index c79e99e..53a62b5 100644
--- a/src/include/cpu/amd/sc520.h
+++ b/src/include/cpu/amd/sc520.h
@@ -151,7 +151,7 @@
 struct watchdog {
 	unsigned short ctl;
 	unsigned short cntll;
-        unsigned short cntlh;
+	unsigned short cntlh;
 	unsigned char pad[10];
 };
 
diff --git a/src/include/cpu/x86/mtrr.h b/src/include/cpu/x86/mtrr.h
index fb8474a..539c366 100644
--- a/src/include/cpu/x86/mtrr.h
+++ b/src/include/cpu/x86/mtrr.h
@@ -100,9 +100,9 @@
 	int r;
 
 	__asm__("bsrl %1,%0\n\t"
-	        "jnz 1f\n\t"
-	        "movl $0,%0\n"
-	        "1:" : "=r" (r) : "g" (x));
+		"jnz 1f\n\t"
+		"movl $0,%0\n"
+		"1:" : "=r" (r) : "g" (x));
 	return r;
 }
 
@@ -112,9 +112,9 @@
 	int r;
 
 	__asm__("bsfl %1,%0\n\t"
-	        "jnz 1f\n\t"
-	        "movl $32,%0\n"
-	        "1:" : "=r" (r) : "g" (x));
+		"jnz 1f\n\t"
+		"movl $32,%0\n"
+		"1:" : "=r" (r) : "g" (x));
 	return r;
 }
 #endif