IVGCVSW-863 Broadcast support in CL/NEON Arithmetic Add

Also, added instrumentation to support generic tensor broadcasting for
NEON and CL backends.

Change-Id: I1bc5747a286e1a4b464c209067581e103d473b9a
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/114201
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
diff --git a/arm_compute/runtime/NEON/functions/NEArithmeticAddition.h b/arm_compute/runtime/NEON/functions/NEArithmeticAddition.h
index 3718073..c72d0b6 100644
--- a/arm_compute/runtime/NEON/functions/NEArithmeticAddition.h
+++ b/arm_compute/runtime/NEON/functions/NEArithmeticAddition.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2017 ARM Limited.
+ * Copyright (c) 2016-2018 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -42,7 +42,7 @@
      * @param[out] output Output tensor. Data types supported: U8/QS8/QS16/S16/F16/F32
      * @param[in]  policy Policy to use to handle overflow.
      */
-    void configure(const ITensor *input1, const ITensor *input2, ITensor *output, ConvertPolicy policy);
+    void configure(ITensor *input1, ITensor *input2, ITensor *output, ConvertPolicy policy);
     /** Static function to check if given info will lead to a valid configuration of @ref NEArithmeticAddition
      *
      * @param[in] input1 First tensor input. Data types supported: U8/QS8/QS16/S16/F16/F32
diff --git a/arm_compute/runtime/NEON/functions/NELaplacianReconstruct.h b/arm_compute/runtime/NEON/functions/NELaplacianReconstruct.h
index 3d42360..2143042 100644
--- a/arm_compute/runtime/NEON/functions/NELaplacianReconstruct.h
+++ b/arm_compute/runtime/NEON/functions/NELaplacianReconstruct.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2017 ARM Limited.
+ * Copyright (c) 2016-2018 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -76,7 +76,7 @@
      * @param[in]  constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
      *
      */
-    void configure(const IPyramid *pyramid, const ITensor *input, ITensor *output, BorderMode border_mode, uint8_t constant_border_value);
+    void configure(const IPyramid *pyramid, ITensor *input, ITensor *output, BorderMode border_mode, uint8_t constant_border_value);
 
     // Inherited methods overridden:
     void run() override;