Tflite mul missing datatype - #128

* Tflite sign missing datatype support

-Adds i16,f16,bf16 for tflite sign
-Adds i16,f16,bf16 tflite sign unit tests

* Add non-quantized int8 type support

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Co-authored-by: swatheesh-mcw <[email protected]>

* TfLite sub missing datatype support

 - Adds bf16, f16 support sub function
 - Adds bf16, f16 unit tests

* Include non-quantized int8&int16 type support

* Tflite ceil missing datatypes support
-Adds bf16,f16,i8,i16,i32 for tflite ceil operations
-Adds bf16,f16,i8,i16,i32 ceil unit tests

* Add unquantized int8 support

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Co-authored-by: abhinav <[email protected]>

* TfLite Mul add missing datatype support
 - Adds f16,bf16 for mul
 - Adds f16,bf16  unit tests

Addressed review comments and included optimized versions of Mul for bf16/f16

-Adds optimized versions for bf16/f16 mul operation
-Addressed review comments
-Included the EIGEN_TFLITE flag and other changes to resolve CONV Error

* Include non-quantized int8 type support

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Co-authored-by: RahulSudarMCW <[email protected]>