IVGCVSW-3353 Add CL support and tests for SpaceToDepth

 * Added CL backend support for SpaceToDepth.
 * Enabled unit tests for SpaceToDepth on CL.
 * Renamed unit tests to make them type-agnostic.
 * Added QSymm16/S16 support to ClTensorHandle.

Signed-off-by: James Conroy <james.conroy@arm.com>
Change-Id: I417d82946142ed619c447428bf0b0c4a2116c004
diff --git a/src/backends/cl/workloads/ClWorkloads.hpp b/src/backends/cl/workloads/ClWorkloads.hpp
index 6ba8138..256b68c 100644
--- a/src/backends/cl/workloads/ClWorkloads.hpp
+++ b/src/backends/cl/workloads/ClWorkloads.hpp
@@ -34,6 +34,7 @@
 #include "ClSoftmaxFloatWorkload.hpp"
 #include "ClSoftmaxUint8Workload.hpp"
 #include "ClSpaceToBatchNdWorkload.hpp"
+#include "ClSpaceToDepthWorkload.hpp"
 #include "ClSplitterWorkload.hpp"
 #include "ClStridedSliceWorkload.hpp"
 #include "ClSubtractionWorkload.hpp"