oem-ibm: Spelling correction Gard to Guard

Modified the Bios attribute and the displayname with
corrected "Guard".

Change-Id: I0c4b040050cb97eae31b6df7630cf865192fc4c3
Signed-off-by: Archana Kakani <archana.kakani@ibm.com>
diff --git a/oem/ibm/configurations/bios/enum_attrs.json b/oem/ibm/configurations/bios/enum_attrs.json
index e9e9a68..1546847 100644
--- a/oem/ibm/configurations/bios/enum_attrs.json
+++ b/oem/ibm/configurations/bios/enum_attrs.json
@@ -462,11 +462,11 @@
             "readOnly": true
         },
         {
-            "attribute_name": "pvm_rpd_gard_policy",
+            "attribute_name": "pvm_rpd_guard_policy",
             "possible_values": ["Enabled", "Disabled"],
             "default_values": ["Enabled"],
             "helpText": "Controls whether or not a processor core will be de-configured on error.",
-            "displayName": "GARD on error"
+            "displayName": "Guard on error"
         },
         {
             "attribute_name": "pvm_rpd_policy",