security: add support for BLAKE2 hash function

Requires openssl >= 1.1.0

Change-Id: I680c948d23561cee8cb62eb8bf757e55bf70abca
diff --git a/src/security/security-common.hpp b/src/security/security-common.hpp
index 5df2c13..9685dc3 100644
--- a/src/security/security-common.hpp
+++ b/src/security/security-common.hpp
@@ -108,6 +108,8 @@
   SHA256 = 1,
   SHA384 = 3,
   SHA512 = 4,
+  BLAKE2B_512 = 10,
+  BLAKE2S_256 = 11,
 };
 
 std::ostream&