Integrated Edon-R hash function.

*** 158,163 ****
--- 158,167 ----
              "com.delphix:empty_bpobj", "empty_bpobj",
              "Snapshots use less space.", B_TRUE, B_FALSE, NULL);
          zfeature_register(SPA_FEATURE_LZ4_COMPRESS,
              "org.illumos:lz4_compress", "lz4_compress",
              "LZ4 compression algorithm support.", B_FALSE, B_FALSE, NULL);
+         zfeature_register(SPA_FEATURE_EDONR_CKSUM,
+             "org.illumos:edonr_cksum", "edonr_cksum",
+             "Edon-R-512/256 checksum algorithm support.", B_FALSE, B_FALSE,
+             NULL);
  }