drm/i915: Fix -Wstringop-overflow warning in call to intelreadwm_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 v5.4.197 by commit 241b566e0403757b35d251e30798fff6019a6454. For more details please see the references link.