fixup! arch/arm64: Add Revision, Serial, Model to cpuinfo

This reverts commit 336ef39adb.

arch/arm64/kernel/cpuinfo.c

@@ -274,7 +274,7 @@ static int c_show(struct seq_file *m, void *v)
 	seq_printf(m, "CPU part\t: 0x%03x\n", MIDR_PARTNUM(midr));
 	seq_printf(m, "CPU revision\t: %d\n\n", MIDR_REVISION(midr));
 
-	if (m->index + 1 == nr_cpu_ids) {
+	if (cpumask_next(cpu, cpu_online_mask )>= nr_cpu_ids) {
 		struct device_node *np;
 		const char *model;
 		const char *serial;
@@ -298,6 +298,7 @@ static int c_show(struct seq_file *m, void *v)
 			of_node_put(np);
 		}
 	}
+
 	return 0;
 }