dm: ofnode: rename ofnode_read_prop() to ofnode_get_property()

This function returns the pointer to the value of a node property.
The current name ofnode_read_prop() is confusing.  Follow the naming
of_get_property() from Linux.

The return type (const u32 *) is wrong.  DT property values can be
strings as well as integers.  This is why of_get_property/fdt_getprop
returns an opaque pointer.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/pinctrl/pinctrl-uclass.c b/drivers/pinctrl/pinctrl-uclass.c
index 02e2690..114952a 100644
--- a/drivers/pinctrl/pinctrl-uclass.c
+++ b/drivers/pinctrl/pinctrl-uclass.c
@@ -134,7 +134,7 @@
 		 * If this node has "compatible" property, this is not
 		 * a pin configuration node, but a normal device. skip.
 		 */
-		ofnode_read_prop(node, "compatible", &ret);
+		ofnode_get_property(node, "compatible", &ret);
 		if (ret >= 0)
 			continue;