COMPMID-2255: Implement ABS operator for CL

Change-Id: I8867953f8ae84a77f126aedd32b2f98c062905b1
Signed-off-by: giuros01 <giuseppe.rossini@arm.com>
Reviewed-on: https://review.mlplatform.org/c/1151
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
diff --git a/src/runtime/CL/functions/CLElementWiseUnaryLayer.cpp b/src/runtime/CL/functions/CLElementWiseUnaryLayer.cpp
index c3e472d..14e77ea 100644
--- a/src/runtime/CL/functions/CLElementWiseUnaryLayer.cpp
+++ b/src/runtime/CL/functions/CLElementWiseUnaryLayer.cpp
@@ -74,4 +74,15 @@
     return CLElementWiseUnaryLayerKernel::validate(input, output, ElementWiseUnary::SIN);
 }
 
+void CLAbsLayer::configure(const ICLTensor *input, ICLTensor *output)
+{
+    auto k = arm_compute::support::cpp14::make_unique<CLElementWiseUnaryLayerKernel>();
+    k->configure(input, output, ElementWiseUnary::ABS);
+    _kernel = std::move(k);
+}
+Status CLAbsLayer::validate(const ITensorInfo *input, const ITensorInfo *output)
+{
+    return CLElementWiseUnaryLayerKernel::validate(input, output, ElementWiseUnary::ABS);
+}
+
 } // namespace arm_compute