Two Marvell development boards, the MW320 AWS IoT Starter Kit and MW322 AWS IoT Starter Kit, are now qualified for Amazon FreeRTOS. You can take advantage of Amazon FreeRTOS features and benefits using development kits available from Marvell.

from Recent Announcements https://aws.amazon.com/about-aws/whats-new/2019/05/marvell-mw320-and-mw322-aws-iot-starter-kits-are-now-qualified-for-amazon-freertos/