Move SIZE_FROM_LOG2_WORDS macro to utils.h
This patch moves the macro SIZE_FROM_LOG2_WORDS() defined in
`arch.h` to `utils.h` as it is utility macro.
Change-Id: Ia8171a226978f053a1ee4037f80142c0a4d21430
diff --git a/include/lib/aarch64/arch.h b/include/lib/aarch64/arch.h
index 07bbd89..fa5cb12 100644
--- a/include/lib/aarch64/arch.h
+++ b/include/lib/aarch64/arch.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -334,8 +334,6 @@
#define CTR_IMINLINE_MASK 0xf
#define MAX_CACHE_LINE_SIZE 0x800 /* 2KB */
-#define SIZE_FROM_LOG2_WORDS(n) (4 << (n))
-
/* Physical timer control register bit fields shifts and masks */
#define CNTP_CTL_ENABLE_SHIFT 0