dt: Add default match table for bus ids

No need for most platforms to define their own bus table when calling
of_platform_populate().  Supply a stock one.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

drivers/of/platform.c

@@ -22,6 +22,14 @@
 #include <linux/of_platform.h>
 #include <linux/platform_device.h>
 
+const struct of_device_id of_default_bus_match_table[] = {
+	{ .compatible = "simple-bus", },
+#ifdef CONFIG_ARM_AMBA
+	{ .compatible = "arm,amba-bus", },
+#endif /* CONFIG_ARM_AMBA */
+	{} /* Empty terminated list */
+};
+
 static int of_dev_node_match(struct device *dev, void *data)
 {
 	return dev->of_node == data;