transformers

4cb5ffa9 - Add loss for BridgeTowerForMaskedLM and BridgeTowerForImageAndTextRetrieval (#21684)

Add loss for BridgeTowerForMaskedLM and BridgeTowerForImageAndTextRetrieval (#21684) * Add loss for BridgeTowerForMaskedLM and BridgeTowerForImageAndTextRetrieval * minor fix return_dict * implement test for loss computation --------- Co-authored-by: Tiep Le <97980157+tileintel@users.noreply.github.com> Co-authored-by: Tiep Le <tiep.le@intel.com>