IPMI test suite 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: Id248062c860ff209875d8f57315f572d9321f783
Signed-off-by: Sridevi Ramesh <sridevra@in.ibm.com>
diff --git a/ipmi/test_ipmi_sdr.robot b/ipmi/test_ipmi_sdr.robot
index 96d550a..74b31c7 100755
--- a/ipmi/test_ipmi_sdr.robot
+++ b/ipmi/test_ipmi_sdr.robot
@@ -241,7 +241,7 @@
     ${reservation_id}=  Run IPMI Command
     ...  ${IPMI_RAW_CMD['SDR']['Reserve SDR Repository'][0]}
 
-    ${reservation_id}=  Run Keyword If  ${add_prefix}
+    ${reservation_id}=  Set Variable If  ${add_prefix}
     ...  Add Prefix To String  ${reservation_id}  0x
     ...  ELSE IF  ${convert_lsb_to_msb}
     ...  Convert LSB To MSB  ${reservation_id}