IVGCVSW-3886 Add serialization support for DepthToSpace

Signed-off-by: Aron Virginas-Tar <Aron.Virginas-Tar@arm.com>
Change-Id: Id80c1bcbf50715f07a92dad08d554518a283cc28
diff --git a/src/armnnSerializer/ArmnnSchema.fbs b/src/armnnSerializer/ArmnnSchema.fbs
index 6b07510..6450d16 100644
--- a/src/armnnSerializer/ArmnnSchema.fbs
+++ b/src/armnnSerializer/ArmnnSchema.fbs
@@ -140,7 +140,8 @@
     QuantizedLstm = 45,
     Abs = 46,
     ArgMinMax = 47,
-    Slice = 48
+    Slice = 48,
+    DepthToSpace = 49
 }
 
 // Base layer table to be used as part of other layers
@@ -213,6 +214,16 @@
     dataLayout:DataLayout = NCHW;
 }
 
+table DepthToSpaceLayer {
+    base:LayerBase;
+    descriptor:DepthToSpaceDescriptor;
+}
+
+table DepthToSpaceDescriptor {
+    blockSize:uint;
+    dataLayout:DataLayout;
+}
+
 table DivisionLayer {
     base:LayerBase;
 }
@@ -722,7 +733,8 @@
     StackLayer,
     AbsLayer,
     ArgMinMaxLayer,
-    SliceLayer
+    SliceLayer,
+    DepthToSpaceLayer
 }
 
 table AnyLayer {