cpupower: Haswell also supports the C-states introduced with SandyBridge

Add Haswell model numbers to snb_register() as it also supports the
C-states introduced in SandyBridge processors.

[rjw: Changelog]
Signed-off-by: NThomas Renninger <trenn@suse.de>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>

tools/power/cpupower/utils/idle_monitor/snb_idle.c

@@ -155,6 +155,10 @@ static struct cpuidle_monitor *snb_register(void)
 	case 0x2D: /* SNB Xeon */
 	case 0x3A: /* IVB */
 	case 0x3E: /* IVB Xeon */
+	case 0x3C: /* HSW */
+	case 0x3F: /* HSW */
+	case 0x45: /* HSW */
+	case 0x46: /* HSW */
 		break;
 	default:
 		return NULL;