In the midst of an acquisition spree of its own, US semiconductor maker Marvell has sold its WiFi and Bluetooth businesses to NXP Semiconductor, which itself was on the verge of being engulfed by Qualcomm last year were it not for a swift desertion. Valued at $1.76 billion, the deal is the second significant acquisition of WiFi assets by a company associated more with IoT endeavors in as many months, following the purchase of Quantenna by ON Semiconductor in March for $1.1 billion. As with the Quantenna deal, there is a heavy focus on automotive. NXP is tipped as the largest supplier of silicon to the automotive industry and will therefore bulk up its existing portfolio with the addition of…