IVGCVSW-6862 Add GATHERNd Neon workload

* Changing the test in the delegate to match one of the unit tests


Signed-off-by: Teresa Charlin <teresa.charlinreyes@arm.com>
Change-Id: I553ca266116ba8ee173fc951ab1ffd2b6eed1428
diff --git a/src/backends/neon/workloads/NeonWorkloads.hpp b/src/backends/neon/workloads/NeonWorkloads.hpp
index 8b99f03..024f1ca 100644
--- a/src/backends/neon/workloads/NeonWorkloads.hpp
+++ b/src/backends/neon/workloads/NeonWorkloads.hpp
@@ -31,6 +31,7 @@
 #include "NeonFloorFloatWorkload.hpp"
 #include "NeonFullyConnectedWorkload.hpp"
 #include "NeonGatherWorkload.hpp"
+#include "NeonGatherNdWorkload.hpp"
 #include "NeonInstanceNormalizationWorkload.hpp"
 #include "NeonL2NormalizationFloatWorkload.hpp"
 #include "NeonLogWorkload.hpp"