Replace resource.txt with resource.robot

Change-Id: I4d2afd35645880e33a31644cd717bbeae55666f0
Signed-off-by: Sandhya Somashekar <sansomas@in.ibm.com>
diff --git a/lib/openbmc_ffdc_utils.robot b/lib/openbmc_ffdc_utils.robot
index 182591d..2dca330 100644
--- a/lib/openbmc_ffdc_utils.robot
+++ b/lib/openbmc_ffdc_utils.robot
@@ -4,7 +4,7 @@
 Library            String
 Library            DateTime
 Library            openbmc_ffdc_list.py
-Resource           resource.txt
+Resource           resource.robot
 Resource           connection_client.robot
 Resource           utils.robot