Yes, absolutely related. This fight started because Qualcomm bought Nuvia and started using their designs (and their ARM license for those designs). This recent escalation is almost certainly because Qualcomm is about to bring Oryon, which was designed by Nuvia, to smartphones.
Is this somewhat related why qualcomm suddenly decided to bring oryon to smartphones?
Yes, absolutely related. This fight started because Qualcomm bought Nuvia and started using their designs (and their ARM license for those designs). This recent escalation is almost certainly because Qualcomm is about to bring Oryon, which was designed by Nuvia, to smartphones.
Read this article: https://www.msn.com/en-us/money/companies/arm-to-cancel-qualcomm-chip-design-license-in-escalation-of-feud/ar-AA1sK49J