lk/openssl: Adding openssl to compile in lk build

This is used for verifying signed kernel.
Openssl library will be used for certificate parsing
and rsa decryption.

Change-Id: Icf0024afd8f4d8690d077b47f4b9e83cad1e4813
diff --git a/lib/openssl/crypto/o_str.c b/lib/openssl/crypto/o_str.c
index 56104a6..ffe7138 100644
--- a/lib/openssl/crypto/o_str.c
+++ b/lib/openssl/crypto/o_str.c
@@ -57,7 +57,7 @@
  */
 
 #include <ctype.h>
-#include <e_os.h>
+#include <openssl/e_os.h>
 #include "o_str.h"
 
 #if !defined(OPENSSL_IMPLEMENTS_strncasecmp) && \