The RISC-V toolchain we're using failed to properly discern the TfLiteEvalTensor type for use with an assignment operator. It produced compiler errors for "no match for 'operator=' with operand types TfLiteEvalTensor and a brace-closed initializer list. This PR resolves this issue by explicitly using the TfLiteEvalTensor constructor for the initializer list. We also apply this approach to the TfLiteNode initialization as well, just for consistency.
BUG=#2195
Each operator has its own set of BuiltinOptions, which will translate into an op-specific TfLite Params structure. This change turns Operator into a base class with common functionality, and adds a FullyConnected subclass that knows how to generate the TfLiteFullyConnectedParams struct.
BUG=b/295175961
This PR adds the generation of empty TfLiteContext and TfLiteNode structures, and generates appropriate invocation methods for each subgraph. It also generates the input, output, and intermediate arrays for each TfLiteNode.
BUG=b/295175961
TFLM-bot