Correct inventory messages log level

Messages "Inventory Added"/"Inventory Removed" are informational
and not errors, therefore they should have "LOG_INFO" level.

Signed-off-by: Konstantin Aladyshev <aladyshev22@gmail.com>
Change-Id: I94c13c1e6e628bc33ec20666b1f589ef78166dd8
diff --git a/include/EntityManager.hpp b/include/EntityManager.hpp
index a80b5f9..4b5758a 100644
--- a/include/EntityManager.hpp
+++ b/include/EntityManager.hpp
@@ -140,7 +140,7 @@
         }
     }
 
-    sd_journal_send("MESSAGE=%s", "Inventory Added", "PRIORITY=%i", LOG_ERR,
+    sd_journal_send("MESSAGE=%s", "Inventory Added", "PRIORITY=%i", LOG_INFO,
                     "REDFISH_MESSAGE_ID=%s", "OpenBMC.0.1.InventoryAdded",
                     "REDFISH_MESSAGE_ARGS=%s,%s,%s", model.c_str(),
                     type.c_str(), sn.c_str(), NULL);
@@ -186,7 +186,7 @@
         }
     }
 
-    sd_journal_send("MESSAGE=%s", "Inventory Removed", "PRIORITY=%i", LOG_ERR,
+    sd_journal_send("MESSAGE=%s", "Inventory Removed", "PRIORITY=%i", LOG_INFO,
                     "REDFISH_MESSAGE_ID=%s", "OpenBMC.0.1.InventoryRemoved",
                     "REDFISH_MESSAGE_ARGS=%s,%s,%s", model.c_str(),
                     type.c_str(), sn.c_str(), NULL);