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 v5.10.120 by commit 1f0681f3bd5665080bde3c5b9568cc27df765ce0. For more details please see the references link.