COMPMID-3712 Remove OpenCL padding: CLDepthwiseConvolutionLayer3x3NHWCKernel FP16/32

Removed unused N from partial block loading macro
Created utility to assert change in padding

Signed-off-by: Giorgio Arena <giorgio.arena@arm.com>
Change-Id: Ifdd30c66dbf5f2842c6b2d939000613d5011708e
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4192
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/arm_compute/core/Types.h b/arm_compute/core/Types.h
index c0e0683..42e42cc 100644
--- a/arm_compute/core/Types.h
+++ b/arm_compute/core/Types.h
@@ -337,6 +337,28 @@
         return size;
     }
 
+    /** Check equality with another BorderSize struct
+     *
+     * @param[in] rhs other struct to check against
+     *
+     * @return true if they are equal
+     */
+    bool operator==(const BorderSize &rhs)
+    {
+        return (top == rhs.top) && (right == rhs.right) && (bottom == rhs.bottom) && (left == rhs.left);
+    }
+
+    /** Check non-equality with another BorderSize struct
+     *
+     * @param[in] rhs other struct to check against
+     *
+     * @return true if they are different
+     */
+    bool operator!=(const BorderSize &rhs)
+    {
+        return !(*this == rhs);
+    }
+
     /** Limit this border size.
      *
      * @param[in] limit Border size to limit this border size to.