Add checking on the quantized limits for tosa.clamp
cc @eric-k256 @rsuderman  There is actually no implementation of the `dtype.isUnsigned()` [Reference](https://mlir.llvm.org/doxygen/classmlir_1_1quant_1_1QuantizedType.html) . Simply using getStorageTypeMin/Max for much cleaner implementation.

Jerry 
The original request: https://github.com/tensorflow/tensorflow/pull/58288#discussion_r1013360726

This is the 1st patch for review. I will cleanup everything else after the 1st round of review. 

Jerry 