perf/x86/intel/cstate: Add Clearwater Forrest support

Clearwater Forrest has same c-state residency counters like Sierra Forrest.
So this simply adds cpu model id for it.

Cc: Artem Bityutskiy <[email protected]>
Cc: Kan Liang <[email protected]>
Reviewed-by: Kan Liang <[email protected]>
Signed-off-by: Zhenyu Wang <[email protected]>

Author: zhenyw

arch/x86/events/intel/cstate.c

@@ -742,6 +742,7 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = {
 	X86_MATCH_INTEL_FAM6_MODEL(ATOM_GRACEMONT,	&adl_cstates),
 	X86_MATCH_INTEL_FAM6_MODEL(ATOM_CRESTMONT_X,	&srf_cstates),
 	X86_MATCH_INTEL_FAM6_MODEL(ATOM_CRESTMONT,	&grr_cstates),
+	X86_MATCH_INTEL_FAM6_MODEL(ATOM_DARKMONT_X,	&srf_cstates),
 
 	X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_L,		&icl_cstates),
 	X86_MATCH_INTEL_FAM6_MODEL(ICELAKE,		&icl_cstates),