PEL: private header in JSON

The PELTool application is able to convert sections to JSON. This commit
takes care of converting the private header section to JSON.

private header section in JSON sample:

"Private Header":[
 {"Section Version": "1"},
 {"Sub-section type": "0"},
 {"Log Committed by": "0x1000"},
 {"Entry Creation": "10/24/2019  15:50:08"},
 {"Entry Commit": "10/24/2019  15:50:08"},
 {"Creator ID": "BMC"},
 {"Creator Implementation": ""},
 {"Platform Log ID": "0x50000004"},
 {"Log Entry ID": "0x50000004"}
]

Signed-off-by: Aatir <aatrapps@gmail.com>
Change-Id: I8b0d7dc7b70cd2a03f67f7c9a48755803634005d
diff --git a/extensions/openpower-pels/pel_values.cpp b/extensions/openpower-pels/pel_values.cpp
index abf4653..775c0f5 100644
--- a/extensions/openpower-pels/pel_values.cpp
+++ b/extensions/openpower-pels/pel_values.cpp
@@ -230,6 +230,15 @@
     {"ED", "Extended User Data"},
 };
 
+/**
+ * @brief Map for creator IDs
+ */
+const std::map<std::string, std::string> creatorIDs = {
+
+    {"O", "BMC"},      {"C", "HMC"},      {"H", "PHYP"}, {"L", "Partition FW"},
+    {"S", "SLIC"},     {"B", "Hostboot"}, {"T", "OCC"},  {"M", "I/O Drawer"},
+    {"K", "Sapphire"}, {"P", "PowerNV"}};
+
 } // namespace pel_values
 } // namespace pels
 } // namespace openpower