platform/surface: aggregator: Add missing call to ssamrequestsync_free()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.89 by commit d2dc110deabe7142b60ebeed689e67f92795ee24, it was introduced in version v5.12 by commit c167b9c7e3d6131b4a4865c112a3dbc86d2e997d. For more details please see the references link.