Revert "[POWERPC] Rename get_property to of_get_property: drivers"

This reverts commit d05c7a80cf39ae7d0f8d0c3e47c93d51fcd393d3,
which included changes which should go via other subsystem
maintainers.
diff --git a/drivers/hwmon/ams/ams-i2c.c b/drivers/hwmon/ams/ams-i2c.c
index ccd5cef..485d333 100644
--- a/drivers/hwmon/ams/ams-i2c.c
+++ b/drivers/hwmon/ams/ams-i2c.c
@@ -276,7 +276,7 @@
 	ams_info.bustype = BUS_I2C;
 
 	/* look for bus either using "reg" or by path */
-	prop = of_get_property(ams_info.of_node, "reg", NULL);
+	prop = get_property(ams_info.of_node, "reg", NULL);
 	if (!prop) {
 		result = -ENODEV;