IVGCVSW-2706 Serialize / de-serialize the Rsqrt layer

Change-Id: Ic1cfa0833c3531c743ba2d2f277fd70086357119
Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
diff --git a/src/armnnSerializer/ArmnnSchema.fbs b/src/armnnSerializer/ArmnnSchema.fbs
index 552c2cc..9b23d85 100644
--- a/src/armnnSerializer/ArmnnSchema.fbs
+++ b/src/armnnSerializer/ArmnnSchema.fbs
@@ -101,7 +101,8 @@
     Equal = 17,
     Maximum = 18,
     Normalization = 19,
-    Pad = 20
+    Pad = 20,
+    Rsqrt = 21
 }
 
 // Base layer table to be used as part of other layers
@@ -334,6 +335,10 @@
     padList:[uint];
 }
 
+table RsqrtLayer {
+    base:LayerBase;
+}
+
 union Layer {
     ActivationLayer,
     AdditionLayer,
@@ -355,7 +360,8 @@
     EqualLayer,
     MaximumLayer,
     NormalizationLayer,
-    PadLayer
+    PadLayer,
+    RsqrtLayer
 }
 
 table AnyLayer {