Add hostboot dump entry interface and parameters

Add the interface for hostboot dump entry and other parameters
to initiate a hostboot dump.

Signed-off-by: Dhruvaraj Subhashchandran <dhruvaraj@in.ibm.com>
Change-Id: I711458c7c8b178e1d6bea063dfcca6c879905652
diff --git a/com/ibm/Dump/Entry/Hostboot.interface.yaml b/com/ibm/Dump/Entry/Hostboot.interface.yaml
new file mode 100644
index 0000000..da8a0f6
--- /dev/null
+++ b/com/ibm/Dump/Entry/Hostboot.interface.yaml
@@ -0,0 +1,6 @@
+description: >
+    Implement this to add Hostboot dump management.
+
+    Hostboot dump collects memory and hardware states
+    in the case of a failure during hostboot booting
+    phase.