COMPMID-417: Add support for floats in scale.

Change-Id: I7d714ba13861509080a89817f54e9d32da83e970
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/86026
Reviewed-by: Pablo Tello <pablo.tello@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
diff --git a/arm_compute/runtime/CL/functions/CLScale.h b/arm_compute/runtime/CL/functions/CLScale.h
index c2438dd..db491c1 100644
--- a/arm_compute/runtime/CL/functions/CLScale.h
+++ b/arm_compute/runtime/CL/functions/CLScale.h
@@ -39,14 +39,14 @@
 public:
     /** Initialize the function's source, destination, interpolation type and border_mode.
      *
-     * @param[in,out] input                 Source tensor. Data types supported: U8, S16. (Written to only for @p border_mode != UNDEFINED)
-     * @param[out]    output                Destination tensor. Data types supported: U8, S16 (Must be the same as the input tensor).
+     * @param[in,out] input                 Source tensor. Data types supported: U8/S16/F16/F32. (Written to only for @p border_mode != UNDEFINED)
+     * @param[out]    output                Destination tensor. Data types supported: Same as @p input
      *                                      All but the lowest two dimensions must be the same size as in the input tensor, i.e. scaling is only performed within the XY-plane.
      * @param[in]     policy                The interpolation type.
      * @param[in]     border_mode           Strategy to use for borders.
      * @param[in]     constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
      */
-    void configure(ICLTensor *input, ICLTensor *output, InterpolationPolicy policy, BorderMode border_mode, uint8_t constant_border_value = 0);
+    void configure(ICLTensor *input, ICLTensor *output, InterpolationPolicy policy, BorderMode border_mode, PixelValue constant_border_value = PixelValue());
 };
 }
 #endif /*__ARM_COMPUTE_CLSCALE_H__ */