Extended bucket 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: I64ed8f89d176144468ed580683b0f5d1ed2fcd37
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/extended/test_bios_update.robot b/extended/test_bios_update.robot
index 7649f6e..f53a739 100644
--- a/extended/test_bios_update.robot
+++ b/extended/test_bios_update.robot
@@ -41,7 +41,7 @@
     [Documentation]  Power On the system and wait for OS
     [Tags]  Host_BIOS_Power_On  open-power
 
-    Run Keyword If  '${PREV_TEST_STATUS}' == 'PASS'  Validate Power On
+    IF  '${PREV_TEST_STATUS}' == 'PASS'  Validate Power On
 
 *** Keywords ***