Redfish Network robot codes with latest directives

Changes:
   - Run KeyWord If is deprecated since Robot
     Framework version 5.*, use 'IF' instead

Tested:
   - Checked using robot dry-run to make sure the
     syntax is not broken
Change-Id: Ibe1bbbd4603c0e8348fa0408132e41a165ae0154
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/redfish/managers/test_bmc_protocol_settings.robot b/redfish/managers/test_bmc_protocol_settings.robot
index da44021..85003c7 100644
--- a/redfish/managers/test_bmc_protocol_settings.robot
+++ b/redfish/managers/test_bmc_protocol_settings.robot
@@ -260,8 +260,9 @@
     # Wait for timeout for new values to take effect.
     Sleep  ${SETTING_WAIT_TIMEOUT}
 
-    Run Keyword if  ${persistency_check} == ${True}
-    ...  Redfish OBMC Reboot (off)  stack_mode=skip
+    IF  ${persistency_check} == ${True}
+        Redfish OBMC Reboot (off)  stack_mode=skip
+    END
     Verify Protocol State  ${ssh_state}  ${ipmi_state}