Update operator list documentation

All the common information for the operators are stored in OperatorList.h.

All data type and data layout information for the operators are store in the function header files.

Partially resolve: COMPMID-4199

Signed-off-by: Sheri Zhang <sheri.zhang@arm.com>
Change-Id: I272948cfb3f84e42232a82dd84c0158d84642099
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5511
Reviewed-by: SiCong Li <sicong.li@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/arm_compute/runtime/CL/functions/CLFill.h b/arm_compute/runtime/CL/functions/CLFill.h
index 9a27d15..a01e0c3 100644
--- a/arm_compute/runtime/CL/functions/CLFill.h
+++ b/arm_compute/runtime/CL/functions/CLFill.h
@@ -52,6 +52,14 @@
     CLFill &operator=(CLFill &&);
     /** Initialize the kernel's tensor and filling value
      *
+     * Valid data layouts:
+     * - All
+     *
+     * Valid data type configurations:
+     * |src            |dst            |
+     * |:--------------|:--------------|
+     * |All            |All            |
+     *
      * @param[in,out] tensor         Input tensor to fill. Supported data types: All.
      * @param[in]     constant_value The value used to fill the planes of the tensor
      * @param[in]     window         Window to be used in case setting only part of a tensor. Default is nullptr.