IVGCVSW-5189 Fix error running EfficientNet-Lite on GpuAcc

 * Correct datatype of QAsymmS8

Signed-off-by: Narumol Prangnawarat <narumol.prangnawarat@arm.com>
Change-Id: Id4987b91e06d87735254d3cdd5c9adbe11cc8870
diff --git a/src/backends/cl/workloads/ClWorkloadUtils.hpp b/src/backends/cl/workloads/ClWorkloadUtils.hpp
index bc82486..89f13a5 100644
--- a/src/backends/cl/workloads/ClWorkloadUtils.hpp
+++ b/src/backends/cl/workloads/ClWorkloadUtils.hpp
@@ -101,13 +101,13 @@
         case DataType::Float32:
             CopyArmComputeClTensorData(clTensor, handle->GetConstTensor<float>());
             break;
-        case DataType::QAsymmS8:
         case DataType::QAsymmU8:
             CopyArmComputeClTensorData(clTensor, handle->GetConstTensor<uint8_t>());
             break;
         ARMNN_NO_DEPRECATE_WARN_BEGIN
         case DataType::QuantizedSymm8PerAxis:
             ARMNN_FALLTHROUGH;
+        case DataType::QAsymmS8:
         case DataType::QSymmS8:
             CopyArmComputeClTensorData(clTensor, handle->GetConstTensor<int8_t>());
             break;