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_multiple_interfaces_dhcp.robot b/redfish/managers/test_multiple_interfaces_dhcp.robot
index 7e3c610..bf65e43 100644
--- a/redfish/managers/test_multiple_interfaces_dhcp.robot
+++ b/redfish/managers/test_multiple_interfaces_dhcp.robot
@@ -207,8 +207,11 @@
 Restore Configuration
     [Documentation]  Restore the configuration to Both Static Network
 
-    Run Keyword If  '${CHANNEL_NUMBER}' == '${1}'  Add IP Address  ${OPENBMC_HOST}  ${eth0_subnet_mask}  ${eth0_gateway}
-    ...  ELSE IF  '${CHANNEL_NUMBER}' == '{2}'  Add IP Address  ${OPENBMC_HOST_ETH1}  ${eth1_subnet_mask}  ${eth1_gateway}
+    IF  '${CHANNEL_NUMBER}' == '${1}'
+        Add IP Address  ${OPENBMC_HOST}  ${eth0_subnet_mask}  ${eth0_gateway}
+    ELSE IF  '${CHANNEL_NUMBER}' == '{2}'
+        Add IP Address  ${OPENBMC_HOST_ETH1}  ${eth1_subnet_mask}  ${eth1_gateway}
+    END
 
 Get Network Configuration Using Channel Number
     [Documentation]  Get ethernet interface.