IVGCVSW-3147 Add CL Dequantization workload

Change-Id: I9baf6af3d98a26005a31075cd9c4e1f40938789b
Signed-off-by: Jim Flynn <jim.flynn@arm.com>
diff --git a/src/backends/cl/ClLayerSupport.hpp b/src/backends/cl/ClLayerSupport.hpp
index f8a9a96..35c00f9 100644
--- a/src/backends/cl/ClLayerSupport.hpp
+++ b/src/backends/cl/ClLayerSupport.hpp
@@ -59,6 +59,10 @@
                                   const Optional<TensorInfo>& biases,
                                   Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const override;
 
+    bool IsDequantizeSupported(const TensorInfo& input,
+                               const TensorInfo& output,
+                               Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const override;
+
     bool IsDepthwiseConvolutionSupported(const TensorInfo& input,
                                          const TensorInfo& output,
                                          const DepthwiseConvolution2dDescriptor& descriptor,