support DB2 xml data type when sqoop import with parquet

When sqoop run import job with parquet from db2, the xml data type failed with :
17/01/16 00:48:39 ERROR tool.ImportTool: Imported Failed: Cannot convert SQL type 1111

Sqoop using Kite SDK to revolve parquet dataset, and it requires an Avro schema to represent the data structure, during create avro schema sqoop can not find corresponding type mapping of Types.OTHER.