IVGCVSW-3248 Refactor reference BatchToSpace workload

 * Add Decoders and Encoders to workload to make it data type agnostic
 * Merge float32 and Uint8 into single workload

Change-Id: I8adfa1898a63f13889eaaf55a31c26fd1e2d7ee8
Signed-off-by: Francis Murtagh <francis.murtagh@arm.com>
diff --git a/src/backends/reference/workloads/RefWorkloads.hpp b/src/backends/reference/workloads/RefWorkloads.hpp
index 056127a..9058281 100644
--- a/src/backends/reference/workloads/RefWorkloads.hpp
+++ b/src/backends/reference/workloads/RefWorkloads.hpp
@@ -15,8 +15,7 @@
 #include "Pooling2d.hpp"
 #include "RefActivationWorkload.hpp"
 #include "RefBatchNormalizationWorkload.hpp"
-#include "RefBatchToSpaceNdUint8Workload.hpp"
-#include "RefBatchToSpaceNdFloat32Workload.hpp"
+#include "RefBatchToSpaceNdWorkload.hpp"
 #include "RefConvolution2dWorkload.hpp"
 #include "RefConstantWorkload.hpp"
 #include "RefConcatWorkload.hpp"