CVE-2022-48880 platform/surface: aggregator: Add missing call to ssam_request_sync_free()

In the Linux kernel, the following vulnerability has been resolved: platform/surface: aggregator: Add missing call to ssamrequestsyncfree Although rare, ssamrequestsyncinit can fail. In that case, the request should be freed via ssamrequestsyncfree. Currently it is leaked instead. Fix this...