Fix for depreciated Return From Keyword If keyword

Changes:
 - Return From Keyword If  is deprecated since
   Robot Framework version 5.*, use IF and RETURN  instead

Tested:
 - Checked using robot dry-run to make sure the
   syntax is not broken

Change-Id: I458528b33a1abe9fc750a6941e98490db9b36094
Signed-off-by: Sridevi Ramesh <sridevra@in.ibm.com>
diff --git a/lib/bios_attr_utils.robot b/lib/bios_attr_utils.robot
index b485da4..f9e68a0 100644
--- a/lib/bios_attr_utils.robot
+++ b/lib/bios_attr_utils.robot
@@ -106,8 +106,9 @@
     Log To Console  Current firmware boot side :: ${cur_boot_side["fw_boot_side"]}
     Log To Console  Given firmware boot side :: ${set_fw_boot_side}
 
-    Return From Keyword If  "${cur_boot_side["fw_boot_side_current"]}" == "${set_fw_boot_side}"
-    ...  ${True}
+    IF  "${cur_boot_side["fw_boot_side_current"]}" == "${set_fw_boot_side}"
+        RETURN  ${True}
+    END
 
     # Set the given firmware boot side value.
     Set BIOS Attribute Value And Verify  fw_boot_side  ${set_fw_boot_side}  False