Enable FFT for FP16

Resolves: COMPMID-4051

Change-Id: I0c0bf97212dd281c19d5081e6247e7dc0c23cd6b
Signed-off-by: Giorgio Arena <giorgio.arena@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4687
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/arm_compute/runtime/CL/functions/CLFFT2D.h b/arm_compute/runtime/CL/functions/CLFFT2D.h
index c54127f..adc8e46 100644
--- a/arm_compute/runtime/CL/functions/CLFFT2D.h
+++ b/arm_compute/runtime/CL/functions/CLFFT2D.h
@@ -58,7 +58,7 @@
     ~CLFFT2D();
     /** Initialise the function's source, destinations and border mode.
      *
-     * @param[in]  input  Source tensor. Data types supported: F32.
+     * @param[in]  input  Source tensor. Data types supported: F16/F32.
      * @param[out] output Destination tensor. Data types and data layouts supported: Same as @p input.
      * @param[in]  config FFT related configuration
      */
@@ -66,14 +66,14 @@
     /** Initialise the function's source, destinations and border mode.
      *
      * @param[in]  compile_context The compile context to be used.
-     * @param[in]  input           Source tensor. Data types supported: F32.
+     * @param[in]  input           Source tensor. Data types supported: F16/F32.
      * @param[out] output          Destination tensor. Data types and data layouts supported: Same as @p input.
      * @param[in]  config          FFT related configuration
      */
     void configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output, const FFT2DInfo &config);
     /** Static function to check if given info will lead to a valid configuration of @ref CLFFT2D.
      *
-     * @param[in] input  Source tensor info. Data types supported: F32.
+     * @param[in] input  Source tensor info. Data types supported: F16/F32.
      * @param[in] output Destination tensor info. Data types and data layouts supported: Same as @p input.
      * @param[in] config FFT related configuration
      *