Such a deal would represent the clearest sign yet that semiconductor companies are regaining the confidence required to pursue big mergers at a time when their major clients, such as mobile phone manufacturers, seek to consolidate suppliers. Freescale has little exposure to most segments of the mobile and consumer markets. NXP is finalizing a deal to pay a little over Freescale’s $11 billion current market capitalization, the people said. NXP and Freescale did not immediately respond to requests for comment.