CVE-2023-53646 drm/i915/perf: add sentinel to xehp_oa_b_counters

In the Linux kernel, the following vulnerability has been resolved: drm/i915/perf: add sentinel to xehpoabcounters Arrays passed to reginrangetable should end with empty record. The patch solves KASAN detected bug with signature: BUG: KASAN: global-out-of-bounds in...