IVGCVSW-4420 Failing Unit Test Cl: Quantize layer

 * Fix bug with missing ValidateInputsOutputs in Cl Workload
 * Renamed data type tests to be more specific
 * Future proofing

Signed-off-by: Keith Davis <keith.davis@arm.com>
Change-Id: I157acc318e40d727fcfb3f36f7f577fc87472f3d
diff --git a/src/backends/cl/workloads/ClWorkloadUtils.hpp b/src/backends/cl/workloads/ClWorkloadUtils.hpp
index d3c6df5..b4bcc1c 100644
--- a/src/backends/cl/workloads/ClWorkloadUtils.hpp
+++ b/src/backends/cl/workloads/ClWorkloadUtils.hpp
@@ -101,6 +101,7 @@
         case DataType::Float32:
             CopyArmComputeClTensorData(clTensor, handle->GetConstTensor<float>());
             break;
+        case DataType::QAsymmS8:
         case DataType::QAsymmU8:
             CopyArmComputeClTensorData(clTensor, handle->GetConstTensor<uint8_t>());
             break;