Disabling failing test that has been reported as bug.

mysql-test/suite/rpl_ndb/t/disabled.def:
  Disabling failing test.

mysql-test/suite/rpl_ndb/t/disabled.def

@@ -17,6 +17,7 @@ rpl_ndb_2other           : Bug #32648  	Test failure between NDB Cluster and oth
 rpl_ndb_ddl              : BUG#28798 2007-05-31  lars  Valgrind failure in NDB
 rpl_ndb_ctype_ucs2_def   : BUG#27404 util thd mysql_parse sig11 when mysqld default multibyte charset
 rpl_ndb_extraColMaster   : BUG#30854 : Tables name show as binary in slave err msg on vm-win2003-64-b and Solaris
+rpl_ndb_mix_innodb       : Bug #32720   Test rpl_ndb_mix_innodb fails on SPARC and PowerPC
 
 # the below testcase have been reworked to avoid the bug, test contains comment, keep bug open