COMPMID-3792: Graph examples crash on bare-metal

COMPMID-3792: Graph examples crash on bare-metal

Restricts check of empty windows to 1D splits.
This avoids out-of-bounds access when the GEMM2D Interleaved kernel
is picked where the split dimension specified is MAX_UINT32.

Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: I65f42a0cda7b2f1ae65f29c665c2734fbc825214
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4367
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Sang-Hoon Park <sang-hoon.park@arm.com>