COMPMID-1566: Add broadcast to CLArithmeticSubtraction

Change-Id: I05d21f9a92013ecfd1128d12cf1561cfd6e5c5e9
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/147983
Tested-by: bsgcomp <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/tests/validation/fixtures/RNNLayerFixture.h b/tests/validation/fixtures/RNNLayerFixture.h
index 42b99cc..2645116 100644
--- a/tests/validation/fixtures/RNNLayerFixture.h
+++ b/tests/validation/fixtures/RNNLayerFixture.h
@@ -28,7 +28,7 @@
 #include "tests/framework/Asserts.h"
 #include "tests/framework/Fixture.h"
 #include "tests/validation/reference/ActivationLayer.h"
-#include "tests/validation/reference/ArithmeticAddition.h"
+#include "tests/validation/reference/ArithmeticOperations.h"
 #include "tests/validation/reference/FullyConnectedLayer.h"
 #include "tests/validation/reference/GEMM.h"
 
@@ -132,7 +132,7 @@
         SimpleTensor<T> out_w{ out_shape, data_type };
         SimpleTensor<T> fully_connected = reference::fully_connected_layer(input, weights, bias, out_shape);
         SimpleTensor<T> gemm            = reference::gemm(hidden_state, recurrent_weights, out_w, 1.f, 0.f);
-        SimpleTensor<T> add_res         = reference::arithmetic_addition(fully_connected, gemm, data_type, ConvertPolicy::SATURATE);
+        SimpleTensor<T> add_res         = reference::arithmetic_operation(reference::ArithmeticOperation::ADD, fully_connected, gemm, data_type, ConvertPolicy::SATURATE);
         return reference::activation_layer(add_res, info);
     }