XYZ Network: Modify variable name.

This change includes:
    Correcting variable name.

This resolves openbmc/openbmc-test-automation#954

Change-Id: I8f6ccf66858e2a9d8a763d4de16cf9bf8038d49f
Signed-off-by: Prashanth Katti <prkatti1@in.ibm.com>
diff --git a/lib/bmc_network_utils.robot b/lib/bmc_network_utils.robot
index 79cd24f..dbe4b7e 100644
--- a/lib/bmc_network_utils.robot
+++ b/lib/bmc_network_utils.robot
@@ -166,5 +166,5 @@
     # Verify whether deleted IP address is removed from BMC system.
 
     ${ip_data}=  Get BMC IP Info
-    Should Not Contain Match  ${ip_info}  ${ip_addr}*
+    Should Not Contain Match  ${ip_data}  ${ip_addr}*
     ...  msg=IP address not deleted.