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/kernels/NEBatchNormalizationLayerKernel.h b/arm_compute/core/NEON/kernels/NEBatchNormalizationLayerKernel.h
index 2a540c1..092b1d9 100644
--- a/arm_compute/core/NEON/kernels/NEBatchNormalizationLayerKernel.h
+++ b/arm_compute/core/NEON/kernels/NEBatchNormalizationLayerKernel.h
@@ -103,7 +103,7 @@
      *
      * @param[in] window Region on which to execute the kernel. (Must be a valid region of the window returned by window()).
      */
-    template <bool fused_activation>
+    template <bool fused_activation, typename F>
     void batch_normalization_fp16_nchw(const Window &window);
     /** Template function to run batch normalization on fp16 on tensors with NHWC format
      *
@@ -111,7 +111,7 @@
      *
      * @param[in] window Region on which to execute the kernel. (Must be a valid region of the window returned by window()).
      */
-    template <bool fused_activation>
+    template <bool fused_activation, typename F>
     void batch_normalization_fp16_nhwc(const Window &window);
     /** Template function to run batch normalization on fp32
      *