COMPMID-2753: Add support for QASYMM8_SIGNED in CL kernels/functions

Change-Id: I7ed2d43f33458ba0571323f6fa9dc2e45fcd672a
Signed-off-by: Manuel Bottini <manuel.bottini@arm.com>
Reviewed-on: https://review.mlplatform.org/c/2516
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
diff --git a/arm_compute/core/CL/kernels/CLMemsetKernel.h b/arm_compute/core/CL/kernels/CLMemsetKernel.h
index d5ffb65..3e1eadf 100644
--- a/arm_compute/core/CL/kernels/CLMemsetKernel.h
+++ b/arm_compute/core/CL/kernels/CLMemsetKernel.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019 ARM Limited.
+ * Copyright (c) 2018-2020 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -51,14 +51,14 @@
 
     /** Initialise the kernel's tensor and filling value
      *
-     * @param[in,out] tensor         Input tensor to fill. Supported data types: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32
+     * @param[in,out] tensor         Input tensor to fill. Supported data types: All.
      * @param[in]     constant_value The value used to fill the planes of the tensor
      * @param[in]     window         Window to be used in case setting only part of a tensor. Default is nullptr.
      */
     void configure(ICLTensor *tensor, const PixelValue &constant_value, Window *window = nullptr);
     /** Static function to check if given info will lead to a valid configuration of @ref CLMemsetKernel
      *
-     * @param[in] tensor         Source tensor info. Data types supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32
+     * @param[in] tensor         Source tensor info. Data types supported: All.
      * @param[in] constant_value The value used to fill the planes of the tensor
      * @param[in] window         Window to be used in case setting only part of a tensor. Default is nullptr.
      *