Align kernel/operator header layout

- Redirect validate documentation to configure
- Align header names
- Align class layout

Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: Ia40f67383826a66e9f9a33745d66805551e31a3a
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5897
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
diff --git a/src/core/cpu/kernels/CpuCopyKernel.h b/src/core/cpu/kernels/CpuCopyKernel.h
index 98b79a9..e2f1ed6 100644
--- a/src/core/cpu/kernels/CpuCopyKernel.h
+++ b/src/core/cpu/kernels/CpuCopyKernel.h
@@ -46,11 +46,9 @@
      * @param[in]  padding (Optional) Padding to be applied to the input tensor
      */
     void configure(const ITensorInfo *src, ITensorInfo *dst, const PaddingList &padding = PaddingList());
-    /** Static function to check if given info will lead to a valid configuration of @ref CpuCopyKernel
+    /** Static function to check if given info will lead to a valid configuration
      *
-     * @param[in] src     Source tensor. Data types supported: All
-     * @param[in] dst     Destination tensor. Data types supported: same as @p src.
-     * @param[in] padding (Optional) Padding to be applied to the input tensor
+     * Similar to @ref CpuCopyKernel::configure()
      *
      * @return a status
      */