Replace resource.txt with resource.robot

Change-Id: I4d2afd35645880e33a31644cd717bbeae55666f0
Signed-off-by: Sandhya Somashekar <sansomas@in.ibm.com>
diff --git a/lib/ipmi_client.robot b/lib/ipmi_client.robot
index cedc9e5..cfdb6fe 100755
--- a/lib/ipmi_client.robot
+++ b/lib/ipmi_client.robot
@@ -2,7 +2,7 @@
 Documentation   This module is for IPMI client for copying ipmitool to
 ...             openbmc box and execute ipmitool IPMI standard
 ...             command. IPMI raw command will use dbus-send command
-Resource        ../lib/resource.txt
+Resource        ../lib/resource.robot
 Resource        ../lib/connection_client.robot
 Resource        ../lib/utils.robot
 Resource        ../lib/state_manager.robot