Fix esel file name

FFDC eSEL file is collected as esel.txt file extension. The parser
tool which converts the eSEL data to Errorlog text format appends
".txt" extension to the generated log file.

Hence renaming to "esel.txt" to "esel".

Resolves openbmc/openbmc-test-automation#434

Change-Id: Ia7f7d319c2c2c4a79895e9824a1fc30c57e49cb2
Signed-off-by: Sweta Potthuri <spotthur@in.ibm.com>
diff --git a/lib/openbmc_ffdc.robot b/lib/openbmc_ffdc.robot
index 83928f2..8b7d442 100755
--- a/lib/openbmc_ffdc.robot
+++ b/lib/openbmc_ffdc.robot
@@ -25,7 +25,8 @@
 ...                │       ├── 20160909102538035251_OS_syslog.txt
 ...                │       ├── 20160909102538035251_OS_info.txt
 ...                │       ├── 20160909102538035251_OS_rsct.txt
-...                │       └── 20160909102538035251_OS_secure.txt
+...                │       ├── 20160909102538035251_OS_secure.txt
+...                │       └── 20160909102538035251_OS_esel
 ...                └── test_history.txt
 
 Resource           openbmc_ffdc_methods.robot