COMPMID-1188: Add support for activation in NEBatchNormalization.

Change-Id: I1e206574dac6433218db6e138adb7bf5f66a536d
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/145222
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/arm_compute/core/NEON/wrapper/traits.h b/arm_compute/core/NEON/wrapper/traits.h
index 495ddbb..5cd6086 100644
--- a/arm_compute/core/NEON/wrapper/traits.h
+++ b/arm_compute/core/NEON/wrapper/traits.h
@@ -62,6 +62,10 @@
 template <> struct neon_vector<int64_t, 2>{ using type = int64x2_t; using tag_type = vector_128_tag; };
 template <> struct neon_vector<float_t, 2>{ using type = float32x2_t; using tag_type = vector_64_tag; };
 template <> struct neon_vector<float_t, 4>{ using type = float32x4_t; using tag_type = vector_128_tag; };
+#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
+template <> struct neon_vector<float16_t, 4>{ using type = float16x4_t; using tag_type = vector_64_tag; };
+template <> struct neon_vector<float16_t, 8>{ using type = float16x8_t; using tag_type = vector_128_tag; };
+#endif // __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
 #endif /* DOXYGEN_SKIP_THIS */
 
 /**  Helper type template to get the type of a neon vector */