include: Fix spelling

Change-Id: Iadc813bc8208278996b2b1aa20cfb156ec06fac9
Signed-off-by: Martin Roth <martin.roth@se-eng.com>
Reviewed-on: http://review.coreboot.org/3755
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/include/cpu/amd/amdfam10_sysconf.h

@@ -64,7 +64,7 @@ struct amdfam10_sysconf_t {
 	unsigned lift_bsp_apicid;
 	int apicid_offset;
 
-	void *mb; // pointer for mb releated struct
+	void *mb; // pointer for mb related struct
 
 };