[POWERPC] Add 'model: ...' line to common show_cpuinfo()

Print out 'model' property of '/' node as a machine name
in generic show_cpuinfo() routine.
Signed-off-by: NMarian Balakowicz <m8@semihalf.com>
Acked-by: NDavid Gibson <david@gibson.dropbear.id.au>
Acked-by: NOlof Johansson <olof@lixom.net>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

arch/powerpc/kernel/setup-common.c

@@ -167,6 +167,8 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 	unsigned short min;
 
 	if (cpu_id == NR_CPUS) {
+		struct device_node *root;
+		const char *model = NULL;
 #if defined(CONFIG_SMP) && defined(CONFIG_PPC32)
 		unsigned long bogosum = 0;
 		int i;
@@ -178,6 +180,13 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 		seq_printf(m, "timebase\t: %lu\n", ppc_tb_freq);
 		if (ppc_md.name)
 			seq_printf(m, "platform\t: %s\n", ppc_md.name);
+		root = of_find_node_by_path("/");
+		if (root)
+			model = of_get_property(root, "model", NULL);
+		if (model)
+			seq_printf(m, "model\t\t: %s\n", model);
+		of_node_put(root);
+
 		if (ppc_md.show_cpuinfo != NULL)
 			ppc_md.show_cpuinfo(m);