n">(Reuters) - Cellphone chip supplier Qualcomm Inc is changing its internal structure to protect its technology licensing business by creating a new subsidiary that will work on open source wireless developments.The biggest developer of cellphone chips also derives a huge amount of its revenue from selling licenses for use of its vast portfolio of technology patents to companies such as cellphone makers whether or not they use Qualcomm chips.The restructuring comes at a time when the wireless industry is beset with litigation related to technology...