message: [Core ML delegate] Add missing constraint of concat of
diff: @@ -184,6 +184,7 @@ Following ops are supported by the Core ML delegate.
  1]`, `[B, 1, H, W]`, `[B, 1, 1, 1]`.
  * AveragePool2D
  * Concat
  + * Concatenation should be done along the channel axis.
  * Conv2D
  * Weights and bias should be constant.
  * DepthwiseConv2D
  