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/NEON/functions/NESlice.h b/arm_compute/runtime/NEON/functions/NESlice.h
index 2862877..214ffa5 100644
--- a/arm_compute/runtime/NEON/functions/NESlice.h
+++ b/arm_compute/runtime/NEON/functions/NESlice.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2020 Arm Limited.
+ * Copyright (c) 2018-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -89,6 +89,14 @@
 
     /** Configure kernel
      *
+     * Valid data layouts:
+     * - All
+     *
+     * Valid data type configurations:
+     * |src    |dst    |
+     * |:------|:------|
+     * |All    |All    |
+     *
      * @note Supported tensor rank: up to 4
      * @note Start indices must be non-negative. 0 <= starts[i]
      * @note End coordinates can be negative, which represents the number of elements before the end of that dimension.