Handle response from host for soft power off request

Change-Id: Ia923eff57f855dc88cb04db13590ae1a58a502fd
Signed-off-by: Vishwanatha Subbanna <vishwa@linux.vnet.ibm.com>
diff --git a/softoff/softoff.hpp b/softoff/softoff.hpp
index 06f3861..da88fc5 100644
--- a/softoff/softoff.hpp
+++ b/softoff/softoff.hpp
@@ -55,6 +55,14 @@
             return timer.isExpired();
         }
 
+        /** @brief overloaded property setter function
+         *
+         *  @param[in] value - One of SoftOffReceived / HostShutdown
+         *
+         *  @return Success or exception thrown
+         */
+        HostResponse responseReceived(HostResponse value) override;
+
     private:
         // Need this to send SMS_ATTN
         // TODO : Switch over to using mapper service in a different patch