FreeBSD supports edonr follow up

This chases 269b5dadcf (#12735),
which touched the actual code but didn't fix the comment

Additionally, ignore the name.

Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Rich Ercolani <rincebrain@gmail.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #12823

module/zcommon/zfeature_common.c

@@ -225,10 +225,11 @@ zfs_mod_supported_feature(const char *name)
 	 *
 	 * The equivalent _can_ be done on FreeBSD by way of the sysctl
 	 * tree, but this has not been done yet.  Therefore, we return
-	 * that all features except edonr are supported.
+	 * that all features are supported.
 	 */
 
 #if defined(_KERNEL) || defined(LIB_ZPOOL_BUILD) || defined(__FreeBSD__)
+	(void) name;
 	return (B_TRUE);
 #else
 	return (zfs_mod_supported(ZFS_SYSFS_POOL_FEATURES, name));