IVGCVSW-7602 IVGCVSW-7602 Implement opaque delegate for Quantize + Dequantize operator

Signed-off-by: Francis Murtagh <francis.murtagh@arm.com>
Change-Id: I318cb25f526dfe0f7aa6afcf77971afd8d437209
diff --git a/delegate/opaque/src/armnn_delegate.cpp b/delegate/opaque/src/armnn_delegate.cpp
index b38b528..8c3ddfa 100644
--- a/delegate/opaque/src/armnn_delegate.cpp
+++ b/delegate/opaque/src/armnn_delegate.cpp
@@ -726,6 +726,12 @@
                                             tfLiteNode,
                                             nodeIndex,
                                             kTfLiteBuiltinDepthwiseConv2d);
+        case kTfLiteBuiltinDequantize:
+            return VisitDequantizeOperator(delegateData,
+                                           tfLiteContext,
+                                           tfLiteNode,
+                                           nodeIndex,
+                                           kTfLiteBuiltinDequantize);
         case kTfLiteBuiltinDiv:
             return VisitElementwiseBinaryOperator(delegateData,
                                                   tfLiteContext,
@@ -942,6 +948,12 @@
                                       tfLiteNode,
                                       nodeIndex,
                                       kTfLiteBuiltinPrelu);
+        case kTfLiteBuiltinQuantize:
+            return VisitQuantizeOperator(delegateData,
+                                         tfLiteContext,
+                                         tfLiteNode,
+                                         nodeIndex,
+                                         kTfLiteBuiltinQuantize);
         case kTfLiteBuiltinRelu:
             return VisitActivationOperator(delegateData,
                                            tfLiteContext,