arc: use of_platform_default_populate() to populate default bus

Use helper of_platform_default_populate() in linux/of_platform
when possible, instead of calling of_platform_populate() with
the default match table.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index fa1fa9a..e4dc7ba 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -459,7 +459,7 @@
 	 * Traverses flattened DeviceTree - registering platform devices
 	 * (if any) complete with their resources
 	 */
-	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+	of_platform_default_populate(NULL, NULL, NULL);
 
 	if (machine_desc->init_machine)
 		machine_desc->init_machine();