Replace deprecated keyword for IPMI tests

Changes:
- Exit For Loop If  is deprecated since
  Robot Framework version 5.*, use IF and BREAK instead

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

Change-Id: Ic1af006f69fc8c440cb834c400449d88047d0637
Signed-off-by: Sridevi Ramesh <sridevra@in.ibm.com>
diff --git a/ipmi/test_ipmi_fru_device.robot b/ipmi/test_ipmi_fru_device.robot
index 9f325be..ac8cd52 100644
--- a/ipmi/test_ipmi_fru_device.robot
+++ b/ipmi/test_ipmi_fru_device.robot
@@ -187,7 +187,7 @@
         ${dev}=  Split String  ${devices}  \n
         FOR  ${device}  IN  @{dev}
             ${ipmi_fru_board_serial_status}=  Run Keyword And Return Status  Should Contain  ${device}  Board Serial
-            Exit For Loop If  '${ipmi_fru_board_serial_status}' == 'True'
+            IF  '${ipmi_fru_board_serial_status}' == 'True'  BREAK
         END
         ${frudata}=  Get From List  ${output}  ${num}
         ${serial_no}=  Run Keyword If  '${ipmi_fru_board_serial_status}' == 'True'