IVGCVSW-3993 Add frontend and reference workload for ComparisonLayer

* Added frontend for ComparisonLayer
* Added RefComparisonWorkload
* Deprecated and removed Equal and Greater layers and workloads
* Updated tests to ensure backward compatibility

Signed-off-by: Aron Virginas-Tar <Aron.Virginas-Tar@arm.com>
Change-Id: Id50c880be1b567c531efff919c0c366d0a71cbe9
diff --git a/src/backends/reference/workloads/RefWorkloads.hpp b/src/backends/reference/workloads/RefWorkloads.hpp
index 79d1935..1f9ad4a 100644
--- a/src/backends/reference/workloads/RefWorkloads.hpp
+++ b/src/backends/reference/workloads/RefWorkloads.hpp
@@ -20,6 +20,7 @@
 #include "RefArgMinMaxWorkload.hpp"
 #include "RefBatchNormalizationWorkload.hpp"
 #include "RefBatchToSpaceNdWorkload.hpp"
+#include "RefComparisonWorkload.hpp"
 #include "RefConvolution2dWorkload.hpp"
 #include "RefConstantWorkload.hpp"
 #include "RefConcatWorkload.hpp"