style: apply naming convention to ipmi_validate_fru_area

Apply openbmc style naming convention to ipmi_validate_fru_area as part
of a multi-step cleanup process.

Change-Id: I082189030441e57579d072501279ff698fe1b7e3
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/readeeprom.cpp b/readeeprom.cpp
index 96a8cc1..a9dd91d 100644
--- a/readeeprom.cpp
+++ b/readeeprom.cpp
@@ -69,8 +69,7 @@
         // Now that we have the file that contains the eeprom data, go read it
         // and update the Inventory DB.
         bool bmc_fru = true;
-        rc = ipmi_validate_fru_area(fruid, eeprom_file.c_str(), bus_type,
-                                    bmc_fru);
+        rc = validateFRUArea(fruid, eeprom_file.c_str(), bus_type, bmc_fru);
     }
 
     // Cleanup