ppc64: Add northstar CPU

arch/ppc64/kernel/setup.c

@@ -285,6 +285,9 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 	pvr = paca[cpu_id].pvr;
 
 	switch (PVR_VER(pvr)) {
+	case PV_NORTHSTAR:
+		seq_printf(m, "RS64-II (northstar)\n");
+		break;
 	case PV_PULSAR:
 		seq_printf(m, "RS64-III (pulsar)\n");
 		break;

include/asm-ppc64/processor.h

@@ -483,6 +483,7 @@
 #define	PVR_REV(pvr)  (((pvr) >>   0) & 0xFFFF)	/* Revison field */
 
 /* Processor Version Numbers */
+#define PV_NORTHSTAR	0x0033
 #define	PV_PULSAR	0x0034
 #define	PV_POWER4	0x0035
 #define	PV_ICESTAR	0x0036