arch: Fix spelling

Change-Id: Ifea10f0180c0c4b684030a168402a95fadf1a9db
Signed-off-by: Martin Roth <martin.roth@se-eng.com>
Reviewed-on: http://review.coreboot.org/3727
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/arch/armv7/include/armv7.h b/src/arch/armv7/include/armv7.h
index dc111c1..1473234 100644
--- a/src/arch/armv7/include/armv7.h
+++ b/src/arch/armv7/include/armv7.h
@@ -59,7 +59,7 @@
 /*
  * CP15 Barrier instructions
  * Please note that we have separate barrier instructions in ARMv7
- * However, we use the CP15 based instructtions because we use
+ * However, we use the CP15 based instructions because we use
  * -march=armv5 in U-Boot
  */
 #define CP15ISB	asm volatile ("mcr     p15, 0, %0, c7, c5, 4" : : "r" (0))