intel_idle: additional Haswell CPU-id

There is an additional HSW CPU-id, 0x46,
which has C-states exactly like CPU-id 0x45.

Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 5d66750..1a38dd7 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -465,6 +465,7 @@
 	ICPU(0x3c, idle_cpu_hsw),
 	ICPU(0x3f, idle_cpu_hsw),
 	ICPU(0x45, idle_cpu_hsw),
+	ICPU(0x46, idle_cpu_hsw),
 	{}
 };
 MODULE_DEVICE_TABLE(x86cpu, intel_idle_ids);