cpufreq: intel_pstate: Ignore _PPC processing under HWP

When HWP (hardware P states) feature is active, the ACPI _PSS and _PPC
is not used. So ignore processing for _PPC limits.
Signed-off-by: NSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/cpufreq/intel_pstate.c

@@ -380,6 +380,9 @@ static void intel_pstate_init_acpi_perf_limits(struct cpufreq_policy *policy)
 	int ret;
 	int i;
 
+	if (hwp_active)
+		return;
+
 	if (!intel_pstate_get_ppc_enable_status())
 		return;