perf/x86/intel/cstate: Add Emerald Rapids

From the perspective of Intel cstate residency counters,
Emerald Rapids is the same as the Sapphire Rapids and Ice Lake.
Add Emerald Rapids model.

Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20230106160449.3566477-2-kan.liang@linux.intel.com