Redfish extend 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: If4b31968d98722d74befef6149d2144d23cfa595
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/redfish/extended/test_power_capping.robot b/redfish/extended/test_power_capping.robot
index e5861a0..99b1583 100644
--- a/redfish/extended/test_power_capping.robot
+++ b/redfish/extended/test_power_capping.robot
@@ -244,8 +244,12 @@
 
     Smart Power Off
 
-    Run Keyword If  '${initial_power_setting}' != '${0}'
-    ...  Set DCMI Power Limit And Verify  ${initial_power_setting}
+    IF  '${initial_power_setting}' != '${0}'
+        Set DCMI Power Limit And Verify  ${initial_power_setting}
+    END
 
-    Run Keyword If  '${initial_deactivation}' == '${1}'
-    ...  Deactivate DCMI Power And Verify  ELSE  Activate DCMI Power And Verify
+    IF  '${initial_deactivation}' == '${1}'
+        Deactivate DCMI Power And Verify
+    ELSE
+        Activate DCMI Power And Verify
+    END