drm/i915: Fix -Wstringop-overflow warning in call to intel_read_wm_latency()
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 v5.15.45 by commit 195fffbf8291a84580762ac6e3101489954d0216. For more details please see the references link.