pldm requester: fix wrong command type

this commit corrects the command type in sendPDRRepoChgEvent
during PDR exchange. without this fix the command is wrongly
interpreted as setEventReceiver and pldm requester code can
not interpret the response correctly.

Change-Id: Idd39d7b9960c4cce385b1e2ed3ab6639b7404478
Signed-off-by: Sampa Misra <sampmisr@in.ibm.com>
diff --git a/host-bmc/host_pdr_handler.cpp b/host-bmc/host_pdr_handler.cpp
index 45b178b..8941d94 100644
--- a/host-bmc/host_pdr_handler.cpp
+++ b/host-bmc/host_pdr_handler.cpp
@@ -327,7 +327,7 @@
     };
 
     rc = handler->registerRequest(
-        mctp_eid, instanceId, PLDM_PLATFORM, PLDM_PDR_REPOSITORY_CHG_EVENT,
+        mctp_eid, instanceId, PLDM_PLATFORM, PLDM_PLATFORM_EVENT_MESSAGE,
         std::move(requestMsg), std::move(platformEventMessageResponseHandler));
     if (rc)
     {