Apple (NASDAQ: AAPL) suppliers have been in a spot of bother as slowing iPhone sales have limited their growth prospects. Additionally, rumors that Cupertino is planning to manufacture 20% fewer iPhones this year have been hanging heavy on the likes of Cirrus Logic, Broadcom, Skyworks Solutions, and others who rely on Apple for a great deal of their revenue.But there's one Apple supplier that's making solid progress despite any iPhone sales woes.