COMPMID-3532: Align data type support between doxygen and implementation - NEON

Change-Id: I70662cfb43890873b706b3f22b348f5d8cdd63ca
Signed-off-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3506
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Manuel Bottini <manuel.bottini@arm.com>
Reviewed-by: Sheri Zhang <sheri.zhang@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/arm_compute/core/NEON/kernels/NEIm2ColKernel.h b/arm_compute/core/NEON/kernels/NEIm2ColKernel.h
index 1c358b3..97cdfb4 100644
--- a/arm_compute/core/NEON/kernels/NEIm2ColKernel.h
+++ b/arm_compute/core/NEON/kernels/NEIm2ColKernel.h
@@ -79,7 +79,7 @@
      * @param[in]  input       The input tensor to convert. 3 lower dimensions represent a single input [width, height, IFM],
      *                         while every optional dimension from 4 and above represent a batch of inputs.
      *                         Data types supported: QASYMM8/QASYMM8_SIGNED/BFLOAT16/F16/F32
-     *                         Note: QASYMM8 works only for has_bias = false
+     *                         Note: QASYMM8/QASYMM8_SIGNED works only for has_bias = false
      * @param[out] output      The output tensor. Data types supported: Same as @p input
      * @param[in]  kernel_dims The kernel dimensions (width and height).
      * @param[in]  conv_info   Contains padding and stride information described in @ref PadStrideInfo.
@@ -94,7 +94,7 @@
      * @param[in] input       The input tensor to convert. 3 lower dimensions represent a single input [width, height, IFM],
      *                        while every optional dimension from 4 and above represent a batch of inputs.
      *                        Data types supported: QASYMM8/QASYMM8_SIGNED/BFLOAT16/F16/F32
-     *                        Note: QASYMM8 works only for has_bias = false
+     *                        Note: QASYMM8/QASYMM8_SIGNED works only for has_bias = false
      * @param[in] output      The output tensor. Data types supported: Same as @p input
      * @param[in] kernel_dims The kernel dimensions (width and height).
      * @param[in] conv_info   Contains padding and stride information described in @ref PadStrideInfo.