COMPMID-2314: Implement NEON INSTANCE_NORMALIZATION function

Change-Id: Ibaa574207aedf691953f8af8fa32b6408a1664ec
Signed-off-by: Manuel Bottini <manuel.bottini@arm.com>
Reviewed-on: https://review.mlplatform.org/c/1905
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
diff --git a/arm_compute/runtime/NEON/NEFunctions.h b/arm_compute/runtime/NEON/NEFunctions.h
index 9dd7e5e..09d3c65 100644
--- a/arm_compute/runtime/NEON/NEFunctions.h
+++ b/arm_compute/runtime/NEON/NEFunctions.h
@@ -92,6 +92,7 @@
 #include "arm_compute/runtime/NEON/functions/NEHarrisCorners.h"
 #include "arm_compute/runtime/NEON/functions/NEHistogram.h"
 #include "arm_compute/runtime/NEON/functions/NEIm2Col.h"
+#include "arm_compute/runtime/NEON/functions/NEInstanceNormalizationLayer.h"
 #include "arm_compute/runtime/NEON/functions/NEIntegralImage.h"
 #include "arm_compute/runtime/NEON/functions/NEL2NormalizeLayer.h"
 #include "arm_compute/runtime/NEON/functions/NELSTMLayer.h"