Mediatek could be the next entrant into the Windows on Arm processor space, according to a new report. Reuters is reporting that one of the more well-known rumors in the chip space—that Mediatek is making an Arm processor for PCs—is real. The wire service says that Mediatek is set to announce its chip in late 2025, according to multiple sources. Microsoft signed an exclusivity deal with Qualcomm to design Arm chips for PCs that’s set to expire sometime this year, according to sources. That deal hasn’t been officially confirmed. (Arm chief executive Rene Haas, whose company licenses its process…