COMPMID-808 Add NHWC data format support for NEON direct convolution

Change-Id: I5d4cc3d5b0d25f3fe4ed998c0f15b1b8e260a43a
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/125697
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/arm_compute/runtime/NEON/functions/NEDirectConvolutionLayer.h b/arm_compute/runtime/NEON/functions/NEDirectConvolutionLayer.h
index 1eaad5c..ae384ff 100644
--- a/arm_compute/runtime/NEON/functions/NEDirectConvolutionLayer.h
+++ b/arm_compute/runtime/NEON/functions/NEDirectConvolutionLayer.h
@@ -106,6 +106,7 @@
     bool                                      _has_bias;
     bool                                      _is_fixed_point;
     bool                                      _is_activationlayer_enabled;
+    unsigned int                              _dim_split;
 };
 }
 #endif /* __ARM_COMPUTE_NEDIRECTCONVOLUTIONLAYER_H__ */