Integrated Edon-R hash function.

*** 77,86 ****
--- 77,87 ----
          ZIO_CHECKSUM_ZILOG,
          ZIO_CHECKSUM_FLETCHER_2,
          ZIO_CHECKSUM_FLETCHER_4,
          ZIO_CHECKSUM_SHA256,
          ZIO_CHECKSUM_ZILOG2,
+         ZIO_CHECKSUM_EDONR512_256,
          ZIO_CHECKSUM_FUNCTIONS
  };
  
  #define ZIO_CHECKSUM_ON_VALUE   ZIO_CHECKSUM_FLETCHER_4
  #define ZIO_CHECKSUM_DEFAULT    ZIO_CHECKSUM_ON