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/runtime/CL/functions/CLUpsampleLayer.h b/arm_compute/runtime/CL/functions/CLUpsampleLayer.h
index 719cbd5..1695fd7 100644
--- a/arm_compute/runtime/CL/functions/CLUpsampleLayer.h
+++ b/arm_compute/runtime/CL/functions/CLUpsampleLayer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019 ARM Limited.
+ * Copyright (c) 2018-2020 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -53,7 +53,7 @@
 
     /** Initialize the function's source, destination, interpolation type and border_mode.
      *
-     * @param[in]  input             Source tensor. Data type supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32.
+     * @param[in]  input             Source tensor. Data type supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
      * @param[out] output            Destination tensor. Data types supported: same as @p input.
      * @param[in]  info              Contains stride information described in @ref Size2D.
      * @param[in]  upsampling_policy Defines the policy to fill the intermediate pixels.
@@ -62,7 +62,7 @@
                    const Size2D &info, const InterpolationPolicy upsampling_policy);
     /** Static function to check if given info will lead to a valid configuration of @ref CLDeconvolutionLayerUpsample
      *
-     * @param[in] input             Source tensor info. Data types supported: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32.
+     * @param[in] input             Source tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
      * @param[in] output            Destination tensor info. Data types supported: same as @p input.
      * @param[in] info              Contains  stride information described in @ref Size2D.
      * @param[in] upsampling_policy Defines the policy to fill the intermediate pixels.