Private equity firm Carlyle Group (NASDAQ:CARL) reportedly intends on seeking a valuation of $7.5 billion – $8 billion in its IPO, when it plans to offer 10% of the company.Carlyle could start its roadshow next week.That being said, a lot depends on the success of today’s scheduled listing of rival Oaktree, which is looking to raise $517.5 million when it goes public.