dm: core: Provide oftree_dispose() when OF_LIVE is disabled

This function is only defined if CONFIG_OF_LIVE is enabled. Provide a
static inline to handle it being disabled.

Signed-off-by: Simon Glass <sjg@chromium.org>

include/dm/ofnode.h

@@ -79,6 +79,16 @@ oftree oftree_from_fdt(void *fdt);
  */
 ofnode noffset_to_ofnode(ofnode other_node, int of_offset);
 
+/**
+ * oftree_dispose() - Dispose of an oftree
+ *
+ * This can be used to dispose of a tree that has been created (other than
+ * the control FDT which must not be disposed)
+ *
+ * @tree: Tree to dispose
+ */
+void oftree_dispose(oftree tree);
+
 #else /* !OFNODE_MULTI_TREE */
 static inline void oftree_reset(void) {}
 
@@ -126,6 +136,8 @@ static inline ofnode noffset_to_ofnode(ofnode other_node, int of_offset)
 	return node;
 }
 
+static inline void oftree_dispose(oftree tree) {}
+
 #endif /* OFNODE_MULTI_TREE */
 
 /**
@@ -375,16 +387,6 @@ static inline oftree oftree_from_np(struct device_node *root)
 	return tree;
 }
 
-/**
- * oftree_dispose() - Dispose of an oftree
- *
- * This can be used to dispose of a tree that has been created (other than
- * the control FDT which must not be disposed)
- *
- * @tree: Tree to dispose
- */
-void oftree_dispose(oftree tree);
-
 /**
  * ofnode_name_eq() - Check a node name ignoring its unit address
  *