MIPS: Probe for new OCTEON CPU/SoC types.

Add probing for CNF71XX, CN78XX and CN70XX.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5635/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/kernel/cpu-probe.c

@@ -852,10 +852,17 @@ static inline void cpu_probe_cavium(struct cpuinfo_mips *c, unsigned int cpu)
 	case PRID_IMP_CAVIUM_CN63XX:
 	case PRID_IMP_CAVIUM_CN66XX:
 	case PRID_IMP_CAVIUM_CN68XX:
+	case PRID_IMP_CAVIUM_CNF71XX:
 		c->cputype = CPU_CAVIUM_OCTEON2;
 		__cpu_name[cpu] = "Cavium Octeon II";
 		set_elf_platform(cpu, "octeon2");
 		break;
+	case PRID_IMP_CAVIUM_CN70XX:
+	case PRID_IMP_CAVIUM_CN78XX:
+		c->cputype = CPU_CAVIUM_OCTEON3;
+		__cpu_name[cpu] = "Cavium Octeon III";
+		set_elf_platform(cpu, "octeon3");
+		break;
 	default:
 		printk(KERN_INFO "Unknown Octeon chip!\n");
 		c->cputype = CPU_UNKNOWN;