COMPMID-617 Add validation methods to Kernels

- NEActivationLayer
- NESoftmax
- NEDirectConvolutionLayer
- NENormalizationLayer
- NEPoolingLayer

Change-Id: Ib279f1c1b7f9247679b0d6593aed7393da8fe87b
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/111335
Tested-by: BSG Visual Compute Jenkins server to access repositories on http://mpd-gerrit.cambridge.arm.com <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
diff --git a/arm_compute/runtime/NEON/functions/NENormalizationLayer.h b/arm_compute/runtime/NEON/functions/NENormalizationLayer.h
index 0d5656d..4b5ad28 100644
--- a/arm_compute/runtime/NEON/functions/NENormalizationLayer.h
+++ b/arm_compute/runtime/NEON/functions/NENormalizationLayer.h
@@ -55,11 +55,21 @@
     /** Set the input and output tensors.
      *
      * @param[in]  input     Source tensor. 3 lower dims represent a single input with dimensions [width, height, IFM],
-     *                       and an optional 4th dimension for batch of inputs. Data type supported: QS8/F16/F32
+     *                       and an optional 4th dimension for batch of inputs. Data type supported: QS8/QS16/F16/F32
      * @param[out] output    Destination with the same dimensions, data type and number of channels of  @p input
      * @param[in]  norm_info Normalization layer information like the normalization type, normalization size and other parameters.
      */
     void configure(const ITensor *input, ITensor *output, const NormalizationLayerInfo &norm_info);
+    /** Static function to check if given info will lead to a valid configuration of @ref NENormalizationLayer
+     *
+     * @param[in] input     Source tensor. 3 lower dims represent a single input with dimensions [width, height, IFM],
+     *                      and an optional 4th dimension for batch of inputs. Data type supported: QS8/QS16/F16/F32
+     * @param[in] output    Destination with the same dimensions, data type and number of channels of  @p input
+     * @param[in] norm_info Normalization layer information like the normalization type, normalization size and other parameters.
+     *
+     * @return a status
+     */
+    static Status validate(const ITensorInfo *input, const ITensorInfo *output, const NormalizationLayerInfo &norm_info);
 
     // Inherited methods overridden:
     void run() override;