COMPMID-934: Return an error in Validate when we don't support asymmetric padding

Currently an assert gets fired in debug mode, and we just ignore the asymmetric padding in release mode.

Change-Id: Ia6278b5722f7e93f356a975ab3243e6bb07e44a8
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/120840
Reviewed-by: Michele DiGiorgio <michele.digiorgio@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
diff --git a/src/runtime/CL/functions/CLDeconvolutionLayer.cpp b/src/runtime/CL/functions/CLDeconvolutionLayer.cpp
index 79f6d6c..e7b5468 100644
--- a/src/runtime/CL/functions/CLDeconvolutionLayer.cpp
+++ b/src/runtime/CL/functions/CLDeconvolutionLayer.cpp
@@ -49,6 +49,7 @@
     ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::F32);
     ARM_COMPUTE_RETURN_ERROR_ON(weights->dimension(0) != weights->dimension(1));
     ARM_COMPUTE_RETURN_ERROR_ON(weights->dimension(0) < 1);
+    ARM_COMPUTE_RETURN_ERROR_ON(!info.padding_is_symmetric());
 
     const unsigned int stride_x = info.stride().first;
     const unsigned int stride_y = info.stride().second;