[quant][graphmode] quantization support for aten::chunk (#34806)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/34806
Test Plan:
python test/test_jit.py
Imported from OSS
Differential Revision: D20524454
fbshipit-source-id: 92ac9bc251581e963258cb90dc3de73f8508c822
