COMPMID-556 Add supported data type to WinogradLayerKernel documentation

Change-Id: I8b823e3abfe507ab77d2398c6fe355bea2630c55
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/112950
Reviewed-by: Pablo Tello <pablo.tello@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Tested-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/arm_compute/core/NEON/kernels/NEWinogradLayerKernel.h b/arm_compute/core/NEON/kernels/NEWinogradLayerKernel.h
index 5d9e340..c134304 100644
--- a/arm_compute/core/NEON/kernels/NEWinogradLayerKernel.h
+++ b/arm_compute/core/NEON/kernels/NEWinogradLayerKernel.h
@@ -68,7 +68,7 @@
 
     /** Initialise the kernel
      *
-     * @param[in,out] output    Output tensor to store the result of matrix multiplication.
+     * @param[in,out] output    Output tensor to store the result of matrix multiplication. Data type supported: F32.
      * @param[in]     convolver A pointer to the winograd convolver, this object must have been configured and is ready to execute 16 GEMMS .
      */
     void configure(ITensor *output, Winograd3x3F32 *convolver);