COMPMID-3704 Remove OpenCL padding: CLBatchConcatenateLayerKernel

COMPMID-3709 Remove OpenCL padding: CLDepthConcatenateLayerKernel

Signed-off-by: Giorgio Arena <giorgio.arena@arm.com>
Change-Id: Iaea4fafd5d0f081fd5b45b0f6945302dc3365bd9
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4105
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
diff --git a/src/core/CL/cl_kernels/activation_layer.cl b/src/core/CL/cl_kernels/activation_layer.cl
index 499378c..fca4e85 100644
--- a/src/core/CL/cl_kernels/activation_layer.cl
+++ b/src/core/CL/cl_kernels/activation_layer.cl
@@ -33,6 +33,7 @@
  *
  * @note Datatype should be given as a preprocessor argument using -DDATA_TYPE=type. e.g. -DDATA_TYPE=short
  * @note Vector size should be given as a preprocessor argument using -DVEC_SIZE=size. e.g. -DVEC_SIZE=16
+ * @note Leftover vector size has to be passed at compile time using -DVEC_SIZE_LEFTOVER. e.g. -DVEC_SIZE=3. It is defined as the remainder between the input's first dimension and VEC_SIZE
  * @note Activation function should be given as a preprocessor argument using -DACT=name. e.g. -DACT=TANH
  * @note A, B variables required by some activation functions are set using -DA_VAL= and -DB_VAL= respectively.
  *