Fixed segfault NEDeconvLayer due to overflow.
* The CTS test TestRandomGraph/RandomGraphTest#SmallGraph_TENSOR_FLOAT16_Rank4/43 segfaulted when
running on CpuAcc + 8-2a.
* Added a guard against overflow in DeconvLayer::validate
* Resolves: COMPMID-4115
Change-Id: I6687b67dbde3921a2795224e8107a9add9d358ff
Signed-off-by: Pablo Marquez Tello <pablo.tello@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4890
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Giorgio Arena <giorgio.arena@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>