Regard the release when the APIs became deprecated as Cardinal

Change-Id: I072fa33a2a70baa7466d7a0dc5067191476be0f3
diff --git a/apps/optical/src/main/java/org/onosproject/optical/cfg/OpticalConfigProvider.java b/apps/optical/src/main/java/org/onosproject/optical/cfg/OpticalConfigProvider.java
index f23b5f2..dbe0b54 100644
--- a/apps/optical/src/main/java/org/onosproject/optical/cfg/OpticalConfigProvider.java
+++ b/apps/optical/src/main/java/org/onosproject/optical/cfg/OpticalConfigProvider.java
@@ -57,6 +57,7 @@
  * optical links and any other state that needs to be configured for correct network
  * operations.
  *
+ * @deprecated in Cardinal Release
  */
 @Deprecated
 @JsonIgnoreProperties(ignoreUnknown = true)
diff --git a/apps/optical/src/main/java/org/onosproject/optical/cfg/OpticalLinkDescription.java b/apps/optical/src/main/java/org/onosproject/optical/cfg/OpticalLinkDescription.java
index b3adb0a..1673335 100644
--- a/apps/optical/src/main/java/org/onosproject/optical/cfg/OpticalLinkDescription.java
+++ b/apps/optical/src/main/java/org/onosproject/optical/cfg/OpticalLinkDescription.java
@@ -21,6 +21,8 @@
 
 /**
  * Public class corresponding to JSON described data model.
+ *
+ * @deprecated in Cardinal Release
  */
 @Deprecated
 public class OpticalLinkDescription {
diff --git a/apps/optical/src/main/java/org/onosproject/optical/cfg/OpticalNetworkConfig.java b/apps/optical/src/main/java/org/onosproject/optical/cfg/OpticalNetworkConfig.java
index bfc8ab9..f3f8d17 100644
--- a/apps/optical/src/main/java/org/onosproject/optical/cfg/OpticalNetworkConfig.java
+++ b/apps/optical/src/main/java/org/onosproject/optical/cfg/OpticalNetworkConfig.java
@@ -23,6 +23,8 @@
 
 /**
  * Public class corresponding to JSON described data model.
+ *
+ * @deprecated in Cardinal Release
  */
 @Deprecated
 public class OpticalNetworkConfig {
diff --git a/apps/optical/src/main/java/org/onosproject/optical/cfg/OpticalSwitchDescription.java b/apps/optical/src/main/java/org/onosproject/optical/cfg/OpticalSwitchDescription.java
index 63d0188..346088f 100644
--- a/apps/optical/src/main/java/org/onosproject/optical/cfg/OpticalSwitchDescription.java
+++ b/apps/optical/src/main/java/org/onosproject/optical/cfg/OpticalSwitchDescription.java
@@ -22,6 +22,8 @@
 
 /**
  * Public class corresponding to JSON described data model.
+ *
+ * @deprecated in Cardinal Release
  */
 @Deprecated
 public class OpticalSwitchDescription {
diff --git a/apps/optical/src/main/java/org/onosproject/optical/cfg/PktOptLink.java b/apps/optical/src/main/java/org/onosproject/optical/cfg/PktOptLink.java
index b3d0dae..0621cb0 100644
--- a/apps/optical/src/main/java/org/onosproject/optical/cfg/PktOptLink.java
+++ b/apps/optical/src/main/java/org/onosproject/optical/cfg/PktOptLink.java
@@ -17,6 +17,8 @@
 
 /**
  * Packet-optical link Java data object.
+ *
+ * @deprecated in Cardinal Release
  */
 @Deprecated
 class PktOptLink {
diff --git a/apps/optical/src/main/java/org/onosproject/optical/cfg/Roadm.java b/apps/optical/src/main/java/org/onosproject/optical/cfg/Roadm.java
index 84a7844..677555e 100644
--- a/apps/optical/src/main/java/org/onosproject/optical/cfg/Roadm.java
+++ b/apps/optical/src/main/java/org/onosproject/optical/cfg/Roadm.java
@@ -17,6 +17,8 @@
 
 /**
  * ROADM java data object converted from a JSON file.
+ *
+ * @deprecated in Cardinal Release
  */
 @Deprecated
 class Roadm {
diff --git a/apps/optical/src/main/java/org/onosproject/optical/cfg/WdmLink.java b/apps/optical/src/main/java/org/onosproject/optical/cfg/WdmLink.java
index d3e7ba0..63cd775 100644
--- a/apps/optical/src/main/java/org/onosproject/optical/cfg/WdmLink.java
+++ b/apps/optical/src/main/java/org/onosproject/optical/cfg/WdmLink.java
@@ -17,6 +17,8 @@
 
 /**
  * WDM Link Java data object converted from a JSON file.
+ *
+ * @deprecated in Cardinal Release
  */
 @Deprecated
 class WdmLink {