Mobile processor IP giant ARM may be engaged in a legal battle with Qualcomm, one of its largest customers, but that has not stopped it appointing Qualcomm’s former CEO, Paul Jacobs, to its board of directors, along with former Intel executive Rose Schooler. Jacobs was Qualcomm’s CEO from 2005 to 2014 and then executive chairman until 2018, when he left to explore the possibility of a buy-out of the firm, when it was being stalked by Broadcom in a hostile takeover bid that subsequently failed. Jacobs now heads up a start-up, XCOM Labs, and is on the boards of several other innovative semiconductor companies in the wireless field, such as EdgeQ. Jacobs said he knows ARM well because it was…