VBoot Reference: Refactor Part 2 - Crypto Libraries

Removing multiple top level includes - now padding.h, rsa.h and sha.h are used internally and cryptolib.h must be used instead for all modules that wish to use crypto functions.

I am trying to separate refactors involving code movement from one file to another, and the movement of files themselves into separate CLs so that it's clear what changed.

Review URL: http://codereview.chromium.org/1574005

utils/kernel_utility.cc

@@ -17,11 +17,9 @@
 #include <iostream>
 
 extern "C" {
+#include "cryptolib.h"
 #include "file_keys.h"
 #include "kernel_image.h"
-#include "padding.h"
-#include "rsa_utility.h"
-#include "sha_utility.h"
 #include "utility.h"
 }