perf arm-spe: Don't set data source if it's not a memory operation
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 v5.18.8 by commit 2e8e22b1799c701f1a11f11313b5b03012f2d726, it was introduced in version v5.12 by commit e55ed3423c1bb29f97062f42ba3a94bbff5ab6a5. For more details please see the references link.