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/NEPixelWiseMultiplication.h b/arm_compute/runtime/NEON/functions/NEPixelWiseMultiplication.h
index 6f4cce3..f8074e7 100644
--- a/arm_compute/runtime/NEON/functions/NEPixelWiseMultiplication.h
+++ b/arm_compute/runtime/NEON/functions/NEPixelWiseMultiplication.h
@@ -52,6 +52,24 @@
     NEPixelWiseMultiplication &operator=(NEPixelWiseMultiplication &&) = default;
     /** Initialise the kernel's inputs, output and convertion policy.
      *
+     * Valid data layouts:
+     * - All
+     *
+     * Valid data type configurations:
+     * |src0           |src1           |dst            |
+     * |:--------------|:--------------|:--------------|
+     * |QASYMM8        |QASYMM8        |QASYMM8        |
+     * |QASYMM8_SIGNED |QASYMM8_SIGNED |QASYMM8_SIGNED |
+     * |QSYMM16        |QSYMM16        |QASYMM16       |
+     * |QSYMM16        |QSYMM16        |S32            |
+     * |U8             |U8             |U8             |
+     * |U8             |U8             |S16            |
+     * |U8             |S16            |S16            |
+     * |S16            |U8             |S16            |
+     * |S16            |S16            |S16            |
+     * |F16            |F16            |F16            |
+     * |F32            |S32            |F32            |
+     *
      * @note For @p scale equal to 1/255 only round to nearest even (implemented as round half up) is supported.
      *       For all other scale values only round to zero (implemented as round towards minus infinity) is supported.
      *