Update Journal Variable Names

Journal entry variable names should be uppercase.
https://www.freedesktop.org/software/systemd/man/sd_journal_print.html
Also, fixed indentation.

Change-Id: I2c838332ab7811ccc9a2c99f5b1f558c48f25f76
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/read_fru_data.cpp b/read_fru_data.cpp
index a7a3256..510f0af 100644
--- a/read_fru_data.cpp
+++ b/read_fru_data.cpp
@@ -55,8 +55,8 @@
     {
         //If property is not found simply return empty value
         log<level::ERR>("Error in reading property values from inventory",
-            entry("Interface=%s", intf),
-            entry("Path=%s", objPath));
+                        entry("INTERFACE=%s", intf),
+                        entry("PATH=%s", objPath));
         return properties;
     }
     reply.read(properties);