add regularizer for convlstmpeephole3d (#1395)
add regularizer for convlstmpeephole3d (#1395)

* add regularizer for convlstmpeephole3d
* rename convlstmpeephole2d back to convlstmpeephole
intel-analytics/BigDL,intel-analytics/BigDL,intel-analytics/BigDL,yangw1234/BigDL,intel-analytics/BigDL,yangw1234/BigDL,yangw1234/BigDL,yangw1234/BigDL