COMPMID-1498 - Enable grouping in CLGEMMConvolutionLayer

Change-Id: I15c7df21773145b03f42b6f78bd7ad2e5b8a5219
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/144126
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Giorgio Arena <giorgio.arena@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
diff --git a/arm_compute/core/CL/kernels/CLCol2ImKernel.h b/arm_compute/core/CL/kernels/CLCol2ImKernel.h
index 5c047ca..2a18ae0 100644
--- a/arm_compute/core/CL/kernels/CLCol2ImKernel.h
+++ b/arm_compute/core/CL/kernels/CLCol2ImKernel.h
@@ -63,12 +63,11 @@
     CLCol2ImKernel &operator=(CLCol2ImKernel &&) = default;
     /** Default destructor */
     ~CLCol2ImKernel() = default;
-
     /** Set the input and output of the kernel.
      *
      * @param[in]  input          The input tensor to convert. Data types supported: QASYMM8/F16/F32
      * @param[out] output         The output tensor. 3 lower dimensions represent a single output [width, height, OFM],
-     *                            while the rest represent batch of outputs. Data types supported: Same as @p input
+     *                            while the rest represent batch of outputs. Data types supported: Same as @p input. Data layout: NCHW
      * @param[in]  convolved_dims Output convolved dimensions.
      * @param[in]  num_groups     (Optional) Number of groups when performing a grouped convolution
      */
@@ -77,7 +76,7 @@
      *
      * @param[in] input          The input tensor to convert. Data types supported: QASYMM8/F16/F32
      * @param[in] output         The output tensor. 3 lower dimensions represent a single output [width, height, OFM],
-     *                           while the rest represent batch of outputs. Data types supported: Same as @p input
+     *                           while the rest represent batch of outputs. Data types supported: Same as @p input. Data layout: NCHW
      * @param[in] convolved_dims Output convolved dimensions.
      * @param[in] num_groups     (Optional) Number of groups when performing a grouped convolution
      *