Refactor code from test/ to utils/ since they are not just used by tests.

src/platform/vboot_reference/utils/sign_data.sh

Index: src/platform/vboot_reference/utils/sign_data.sh
diff --git a/src/platform/vboot_reference/utils/sign_data.sh b/src/platform/vboot_reference/utils/sign_data.sh
new file mode 100755
index 0000000000000000000000000000000000000000..bd9e1be2455201b1e4fa4b3de9bd7bcdbbf3bfc4
--- /dev/null
+++ b/src/platform/vboot_reference/utils/sign_data.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+if [ $# -ne 3 ]
+then
+  echo "Usage: `basename $0` <algorithm> <key file> <input file>"
+  exit -1
+fi
+
+./signature_digest $1 $3 | openssl rsautl -sign -pkcs -inkey $2