COMPMID-1755 NEON: Extend DepthConvert to support Cast

Change-Id: I8e2ed9e97cbe86d8caf162bd84ecfd9b43b0bd3b
Reviewed-on: https://review.mlplatform.org/401
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Giuseppe Rossini <giuseppe.rossini@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
diff --git a/arm_compute/runtime/NEON/functions/NEDepthConvertLayer.h b/arm_compute/runtime/NEON/functions/NEDepthConvertLayer.h
index ebb9530..8ee5a12 100644
--- a/arm_compute/runtime/NEON/functions/NEDepthConvertLayer.h
+++ b/arm_compute/runtime/NEON/functions/NEDepthConvertLayer.h
@@ -46,22 +46,24 @@
     /** Initialize the function's source, destination
      *
      * Valid conversions Input -> Output :
-     *    U8 -> U16, S16, S32
-     *    U16 -> U8, U32
-     *    S16 -> U8, S32
-     *    F16 -> F32
-     *    F32 -> F16
      *
-     * @param[in]  input  The input tensor to convert. Data types supported: U8/U16/S16/F32.
-     * @param[out] output The output tensor. Data types supported: U8/U16/S16/U32/S32/F32.
+     *   - QASYMM8 -> F16, F32
+     *   - U8 -> U16, S16, S32
+     *   - U16 -> U8, U32
+     *   - S16 -> U8, S32
+     *   - F16 -> QASYMM8, F32
+     *   - F32 -> QASYMM8, F16
+     *
+     * @param[in]  input  The input tensor to convert. Data types supported: QASYMM8/U8/U16/S16/F16/F32.
+     * @param[out] output The output tensor. Data types supported: QASYMM8/U8/U16/S16/U32/S32/F16/F32.
      * @param[in]  policy Conversion policy.
      * @param[in]  shift  (Optional) Value for down/up conversions. Must be 0 <= shift < 8.
      */
     void configure(const ITensor *input, ITensor *output, ConvertPolicy policy, uint32_t shift = 0);
     /** Static function to check if given info will lead to a valid configuration of @ref NEDepthConvertLayer
      *
-     * @param[in] input  Source tensor info. Data types supported: U8/U16/S16/U32/S32/F16/F32.
-     * @param[in] output Destination tensor info. Data type supported: U8/U16/S16/U32/S32/F16/F32.
+     * @param[in] input  Source tensor info. Data types supported: QASYMM8/U8/U16/S16/F16/F32.
+     * @param[in] output Destination tensor info. Data type supported: QASYMM8/U8/U16/S16/U32/S32/F16/F32.
      * @param[in] policy Conversion policy.
      * @param[in] shift  (Optional) Value for down/up conversions. Must be 0 <= shift < 8.
      *