MobilenetV2 Ops Unit tests

[saichandax]

To create unittests for all the ops in the MobilenetV2 model on GS device. unit tests to be created under https://github.com/tenstorrent-metal/tt-metal/blob/main/tests/ttnn/unit_tests/operations

[keerthana-r-mcw]

1. Added unit tests for all the supported ttnn ops and tested them.

2. The result of the unit tests for the ops in mobilenetv2 are as follows:

• Linear: Total cases -2, 2 passed
• Relu6: Total cases -12, 12 passed
• Conv2D: Total cases - 360, 86 passed, 180 skipped - Batch > 8 must be run fully bfp8, 94 failed -
  1. 68 cases failed due to RuntimeError: a) TT_THROW @ tt_metal/impl/allocator/allocator.cpp:107: tt::exception info: Out of Memory: Not enough space to allocate {} B {} buffer across {} banks, where each bank needs to store {} B 44841600 L1 75 597888 b) TT_THROW @ tt_metal/impl/program/program.cpp:491: tt::exception info: Statically allocated circular buffers in program {} clash with L1 buffers on core range {}. L1 buffer allocated at {} and static circular buffer region ends at {} 978 [(x=0,y=0) - (x=11,y=7)] 236992 474464
     2. 20 cases failed due to assert False tests/ttnn/unit_tests/operations/test_conv2d.py:175: AssertionError
        3. 6 cases failed due to AssertionError tt_eager/tt_dnn/op_library/sliding_window_op_infra/tt_py_composite_conv.py:258: AssertionError

[saichandax]

commit for the mobilenetv2 ops unit tests is here

[saichandax]

PR: #6864