Update dump entry and add Notify method

This commit add a new method named Notify to notify the dump
manager about a the creation of a new dump which is ready to be
offloaded. This interface is similar to existing Create interface
which is not exported, the main differnce is in the cases of
internal create the packaging has to be initiated by dump manager.
Add following additional properties in the dump entry.
Type - To differente between different types of dumps so far only
       BMC dump is supported.
Offloaded - Indicate whether the dump is offloaded.
SourceId - Id provided by source of the dump for dumps not stored
           on the BMC.

Signed-off-by: Dhruvaraj Subhashchandran <dhruvaraj@in.ibm.com>
Change-Id: I0ef9e5f7342dfe362898b30853a98e185a63b091
diff --git a/xyz/openbmc_project/Dump/Entry.interface.yaml b/xyz/openbmc_project/Dump/Entry.interface.yaml
index 1f12089..2ac8c90 100644
--- a/xyz/openbmc_project/Dump/Entry.interface.yaml
+++ b/xyz/openbmc_project/Dump/Entry.interface.yaml
@@ -13,3 +13,10 @@
       type: uint64
       description: >
           Size of the Dump.
+    - name: Offloaded
+      type: boolean
+      description: >
+          Indicates whether the dump is offloaded to a client.
+          The BMC application which knows the status of the offload
+          operation should set this to true once the entire dump is
+          offloaded.