IVGCVSW-3823 Add CL workload support for ABS

Signed-off-by: Aron Virginas-Tar <Aron.Virginas-Tar@arm.com>
Change-Id: I802bd882da4adcc1e7e52c772771e743143745fa
diff --git a/src/backends/cl/workloads/ClWorkloads.hpp b/src/backends/cl/workloads/ClWorkloads.hpp
index 1af30ff..45030e4 100644
--- a/src/backends/cl/workloads/ClWorkloads.hpp
+++ b/src/backends/cl/workloads/ClWorkloads.hpp
@@ -4,6 +4,7 @@
 //
 
 #pragma once
+#include "ClAbsWorkload.hpp"
 #include "ClActivationWorkload.hpp"
 #include "ClAdditionWorkload.hpp"
 #include "ClConstantWorkload.hpp"