Remove OPENBMC_MODEL from FFDC and replace with utils keyword

Resolves openbmc/openbmc-test-automation#374

Change-Id: Ifc7ea35e65681dfc4e275752b7c15101237802ba
Signed-off-by: Sweta Potthuri <spotthur@in.ibm.com>
diff --git a/lib/openbmc_ffdc_methods.robot b/lib/openbmc_ffdc_methods.robot
index 2caf6b1..f0fa402 100755
--- a/lib/openbmc_ffdc_methods.robot
+++ b/lib/openbmc_ffdc_methods.robot
@@ -84,8 +84,8 @@
 
     # Write stdout on success and stderr/stdout to the file on failure.
     Run Keyword If  $stderr == '${EMPTY}'
-    ...    Write Data to File  ${stdout}${\n}  ${logpath}
-    ...  ELSE  Write Data to File
+    ...    Write Data To File  ${stdout}${\n}  ${logpath}
+    ...  ELSE  Write Data To File
     ...    ERROR output:${\n}${stderr}${\n}Output:${\n}${stdout}${\n}
     ...    ${logpath}
 
@@ -156,7 +156,7 @@
     ...   Should Be Equal As Strings    ${resp.status_code}    ${HTTP_OK}
     \   Run Keyword If   '${status}' == '${False}'  Continue For Loop
     \   ${jsondata}=  to json  ${resp.content}    pretty_print=True
-    \   Write Data to File  ${\n}${jsondata}${\n}  ${logpath}
+    \   Write Data To File  ${\n}${jsondata}${\n}  ${logpath}
 
 
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