message: Relax constraint for Elu op to allow quantization
diff: @@ -1487,7 +1487,7 @@ def TFL_DivOp : TFL_Op<"div", [
  def TFL_EluOp: TFL_Op<"elu", [
  NoSideEffect,
  SameOperandsAndResultShape,
  - SameOperandsAndResultType]> {
  + TFL_SameFirstOperandAndFirstResultElementType]> {
  let summary = "Exponential Linear Unit operator";
  let description = [{
  Computes the exponential linear
  