[SPARC64]: Fix {mc,smt}_capable().

It's not just sun4v hypervisor platforms that should return true
for this, sun4u with UltraSPARC-IV should return true too.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index 172387d..6f4a528 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -1782,6 +1782,9 @@
 
 			cpu_data(cpuid).core_id = portid + 1;
 			cpu_data(cpuid).proc_id = portid;
+#ifdef CONFIG_SMP
+			sparc64_multi_core = 1;
+#endif
 		} else {
 			cpu_data(cpuid).dcache_size =
 				of_getintprop_default(dp, "dcache-size", 16 * 1024);