CVE-2024-26721 drm/i915/dsc: Fix the macro that calculates DSCC_/DSCA_ PPS reg address

In the Linux kernel, the following vulnerability has been resolved: drm/i915/dsc: Fix the macro that calculates DSCC/DSCA PPS reg address Commit bd077259d0a9 "drm/i915/vdsc: Add function to read any PPS register" defines a new macro to calculate the DSC PPS register addresses with PPS number as a...