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/CLWidthConcatenate4TensorsKernel.cpp b/src/core/CL/kernels/CLWidthConcatenate4TensorsKernel.cpp
index 4e673a9..fb025e6 100644
--- a/src/core/CL/kernels/CLWidthConcatenate4TensorsKernel.cpp
+++ b/src/core/CL/kernels/CLWidthConcatenate4TensorsKernel.cpp
@@ -165,6 +165,9 @@
 
     ICLKernel::configure_internal(std::get<1>(win_config));
 
+    // Set output valid region
+    output->info()->set_valid_region(ValidRegion(Coordinates(), output->info()->tensor_shape()));
+
     // Pass paddings as arguments to the kernel
     const unsigned int input1_width = input1->info()->dimension(0);
     const unsigned int input2_width = input2->info()->dimension(0);