This patch replaces all time checking functions and leverage the helper functions in TimeBaseLib library. Cc: Leif Lindholm <leif@nuviainc.com> Cc: Ard Biesheuvel <ard.biesheuvel@arm.com> Signed-off-by: Nhi Pham <nhi@os.amperecomputing.com> Reviewed-by: Leif Lindholm <leif@nuviainc.com>