Logging.Entry: use AdditionalData property again

Change I7cc9591895f219471ac098387f72a35c18e6c750 finished the
migration in phosphor-logging so that AdditionalData is now
a dictionary (as is AdditionalData2).  Use AdditionalData so
that phosphor-logging is free to delete AdditionalData2.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ibfa1af5b27a3da9bacc6f795a22b4eb98d25a013
diff --git a/selutility.cpp b/selutility.cpp
index 6c7b086..ef1b638 100644
--- a/selutility.cpp
+++ b/selutility.cpp
@@ -31,7 +31,7 @@
 constexpr auto oemCDDataSize = 9;
 constexpr auto oemEFDataSize = 13;
 
-constexpr auto propAdditionalData = "AdditionalData2";
+constexpr auto propAdditionalData = "AdditionalData";
 constexpr auto propResolved = "Resolved";
 
 constexpr auto strEventDir = "EVENT_DIR";
@@ -216,7 +216,7 @@
     {
         // Check if it's a SEL from phosphor-sel-logger which shall contain
         // the record ID, etc
-        const auto& addData = std::get<AdditionalData2>(iterId->second);
+        const auto& addData = std::get<AdditionalData>(iterId->second);
         auto recordTypeIter = addData.find(strRecordType);
         if (recordTypeIter != addData.end())
         {