4185 New hash algorithm support

@@ -55,10 +55,13 @@
         SPA_FEATURE_ASYNC_DESTROY,
         SPA_FEATURE_EMPTY_BPOBJ,
         SPA_FEATURE_LZ4_COMPRESS,
         SPA_FEATURE_MULTI_VDEV_CRASH_DUMP,
         SPA_FEATURE_SPACEMAP_HISTOGRAM,
+        SPA_FEATURE_SHA512,
+        SPA_FEATURE_SKEIN,
+        SPA_FEATURE_EDONR,
         SPA_FEATURES
 } spa_feature_t;
 
 extern zfeature_info_t spa_feature_table[SPA_FEATURES];