support sparc64x chip type in cpumap.c

Add SPARC64X chip type in cpumap.c to correctly
build CPU distribution map that spans all CPUs.
Signed-off-by: NAllen Pais <allen.pais@oracle.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

arch/sparc/kernel/cpumap.c

@@ -327,6 +327,7 @@ static int iterate_cpu(struct cpuinfo_tree *t, unsigned int root_index)
 	case SUN4V_CHIP_NIAGARA3:
 	case SUN4V_CHIP_NIAGARA4:
 	case SUN4V_CHIP_NIAGARA5:
+	case SUN4V_CHIP_SPARC64X:
 		rover_inc_table = niagara_iterate_method;
 		break;
 	default: