Clean up Emerald Lake 2 mainboard directory

Change-Id: I4a64a56dda22050a31232807096e15565a665377
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: http://review.coreboot.org/967
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
diff --git a/src/mainboard/intel/emeraldlake2/thermal.h b/src/mainboard/intel/emeraldlake2/thermal.h
index deb40c2..883849d 100644
--- a/src/mainboard/intel/emeraldlake2/thermal.h
+++ b/src/mainboard/intel/emeraldlake2/thermal.h
@@ -17,8 +17,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef LINK_THERMAL_H
-#define LINK_THERMAL_H
+#ifndef EMERALDLAKE2_THERMAL_H
+#define EMERALDLAKE2_THERMAL_H
 
 /* Fan is OFF */
 #define FAN4_THRESHOLD_OFF	0