Rob Suderman 8662a2f208 [mlir][tosa] Relax ranked constraint on quantization builder
TosaOp defintion had an artificial constraint that the input/output types
needed to be ranked to invoke the quantization builder. This is correct as an
unranked tensor could still be quantized.

Reviewed By: NatashaKnk

Differential Revision: https://reviews.llvm.org/D109863
2021-09-16 11:43:47 -07:00
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