IVGCVSW-4621 Add CL FILL Workload

* Add CL workload for Fill Operator
* Enabled Fill operator tests on CL
* CLFill function does not have validate() function yet
  IsLayerSupported() function return true at the moment
* Enabled int32 to tests on backends

Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
Change-Id: I9f8cc6d1c86f832ba46a8d170572f4cfcde9ab17
diff --git a/src/backends/reference/RefWorkloadFactory.hpp b/src/backends/reference/RefWorkloadFactory.hpp
index 0b41930..941f1a6 100644
--- a/src/backends/reference/RefWorkloadFactory.hpp
+++ b/src/backends/reference/RefWorkloadFactory.hpp
@@ -130,7 +130,7 @@
                                                       const WorkloadInfo& info) const override;
 
     std::unique_ptr<IWorkload> CreateFill(const FillQueueDescriptor& descriptor,
-                                                      const WorkloadInfo& info) const override;
+                                          const WorkloadInfo& info) const override;
 
     std::unique_ptr<IWorkload> CreateFloor(const FloorQueueDescriptor& descriptor,
                                            const WorkloadInfo& info) const override;