perf/x86/intel/uncore: Support IIO free-running counters on GNR
commit 388d7617 upstream. The free-running counters for IIO uncore blocks on Granite Rapids are similar to Sapphire Rapids. The key difference is the offset of the registers. The number of the IIO uncore blocks can also be retrieved from the discovery table. Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Tested-by: Ammy Yi <ammy.yi@intel.com> Link: https://lore.kernel.org/r/20231117163939.2468007-4-kan.liang@linux.intel.com Signed-off-by: Yongxin Liu <yongxin.liu@windriver.com>
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