powerpc/85xx: publish of device for cds platforms

Publish the devices listed in dts under SOC as of_device for 85xx_cds
platform. The devices are needed by the 85xx EDAC driver.
Signed-off-by: Dave Jiang <djiang@mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/platforms/85xx/mpc85xx_cds.c

@@ -26,6 +26,7 @@
 #include <linux/module.h>
 #include <linux/interrupt.h>
 #include <linux/fsl_devices.h>
+#include <linux/of_platform.h>
 
 #include <asm/system.h>
 #include <asm/pgtable.h>
@@ -335,6 +336,19 @@ static int __init mpc85xx_cds_probe(void)
         return of_flat_dt_is_compatible(root, "MPC85xxCDS");
 }
 
+static struct of_device_id __initdata of_bus_ids[] = {
+	{ .type = "soc", },
+	{ .compatible = "soc", },
+	{ .compatible = "simple-bus", },
+	{},
+};
+
+static int __init declare_of_platform_devices(void)
+{
+	return of_platform_bus_probe(NULL, of_bus_ids, NULL);
+}
+machine_device_initcall(mpc85xx_cds, declare_of_platform_devices);
+
 define_machine(mpc85xx_cds) {
 	.name		= "MPC85xx CDS",
 	.probe		= mpc85xx_cds_probe,