Add support for int8 CpuPool3d

- Add implementation for the CPU pooling 3d layer.
- NDHWC data layout support.
- Support QASYMM8/QASYMM8_SIGNED.
- Add Pooling helper file for Pool3d/2d common functions.

Resolves COMPMID-4668

Change-Id: Iadf042036b076099c2353d6e2fe9fc623bc263d8
Signed-off-by: Adnan AlSinan <adnan.alsinan@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/7387
Reviewed-by: Gunes Bayir <gunes.bayir@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/cpu/operators/CpuPool3d.h b/src/cpu/operators/CpuPool3d.h
index fc73cf0..8a73f8a 100644
--- a/src/cpu/operators/CpuPool3d.h
+++ b/src/cpu/operators/CpuPool3d.h
@@ -47,7 +47,7 @@
     /** Set the src and dst tensors.
      *
      *
-     * @param[in]  src       Source tensor info. Data types supported: F16/F32.
+     * @param[in]  src       Source tensor info. Data types supported: F16/F32/QASYMM8/QASYMM8_SIGNED.
      * @param[out] dst       Destination tensor info. Data types supported: same as @p src.
      * @param[in]  pool_info Contains pooling operation information described in @ref Pooling3dLayerInfo.
      */