dt: reform for_each_property to for_each_property_of_node

Make this macro easier to use(do not need to pass properties, a node is
enough), also change to a more sensible name as for_each_child_of_node.

Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
diff --git a/drivers/of/base.c b/drivers/of/base.c
index b707243..0181eeb 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1157,7 +1157,7 @@
 	if (!of_aliases)
 		return;
 
-	for_each_property(pp, of_aliases->properties) {
+	for_each_property_of_node(of_aliases, pp) {
 		const char *start = pp->name;
 		const char *end = start + strlen(start);
 		struct device_node *np;