subarch: change SMP define to X86_HT

arch/i386/kernel/cpu/proc.c

@@ -74,7 +74,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 	/* Cache size */
 	if (c->x86_cache_size >= 0)
 		seq_printf(m, "cache size\t: %d KB\n", c->x86_cache_size);
-#ifdef CONFIG_SMP
+#ifdef CONFIG_X86_HT
 	if (cpu_has_ht) {
 		extern int phys_proc_id[NR_CPUS];
 		seq_printf(m, "physical id\t: %d\n", phys_proc_id[n]);