COMPMID-2336: Set the correct valid region to the concatenation layer output

Change-Id: I1ff84054758a9a189f33d3180b5d81b3615963c7
Signed-off-by: Isabella Gottardi <isabella.gottardi@arm.com>
Reviewed-on: https://review.mlplatform.org/c/1620
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/CL/kernels/CLBatchConcatenateLayerKernel.cpp b/src/core/CL/kernels/CLBatchConcatenateLayerKernel.cpp
index 86bf366..b5f8c2d 100644
--- a/src/core/CL/kernels/CLBatchConcatenateLayerKernel.cpp
+++ b/src/core/CL/kernels/CLBatchConcatenateLayerKernel.cpp
@@ -121,6 +121,10 @@
     ARM_COMPUTE_ERROR_THROW_ON(std::get<0>(win_config));
 
     ICLKernel::configure_internal(std::get<1>(win_config));
+
+    // Set output valid region
+    output->info()->set_valid_region(ValidRegion(Coordinates(), output->info()->tensor_shape()));
+
     // Set config_id for enabling LWS tuning
     _config_id = "concatenate_";
     _config_id += support::cpp11::to_string(3);