Replace deprecated keyword for IPMI tests

Changes:
- Exit For Loop If  is deprecated since
  Robot Framework version 5.*, use IF and BREAK instead

Tested:
- Checked using robot dry-run to make sure the
  syntax is not broken

Change-Id: Ic1af006f69fc8c440cb834c400449d88047d0637
Signed-off-by: Sridevi Ramesh <sridevra@in.ibm.com>
diff --git a/openpower/localuser/test_ipmi_redfish_user.robot b/openpower/localuser/test_ipmi_redfish_user.robot
index 77b144d..59a3750 100644
--- a/openpower/localuser/test_ipmi_redfish_user.robot
+++ b/openpower/localuser/test_ipmi_redfish_user.robot
@@ -32,7 +32,7 @@
     ...  user set name ${random_userid} ${random_username}
 
     # Verify new user privilege level via Redfish.
-    ${privilege}=  Redfish_Utils.Get Attribute
+    ${privilege}=  Redfish.Get Attribute
     ...  /redfish/v1/AccountService/Accounts/${random_username}  RoleId
     Valid Value  privilege  ['ReadOnly']