[LTC] Add _log_softmax_backward_data TorchScript lowering (#63306)
Summary:
This patch added _log_softmax_backward_data to TorchScript lowering.
Test Plan:
[.../pytorch/lazy_tensor_core] test/cpp/build/test_ptltc --gtest_filter=AtenLtcTsTensorTest.TestLogSoftmaxBackward
