lib: Raw import FDT devicetree from depthcharge

Import from https://chromium.googlesource.com/chromiumos/platform/depthcharge
Required for general devicetree patching and FIT support.

Coding style and coreboot integration will be done in a separate commit.

Change-Id: Ida75d4786eae38d84bfc71bf53573dafca8eda40
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/25632
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>

src/include/list.h

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but without any warranty; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __BASE_LIST_H__
+#define __BASE_LIST_H__
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include "base/container_of.h"
+
+typedef struct ListNode {
+	struct ListNode *next;
+	struct ListNode *prev;
+} ListNode;
+
+// Remove ListNode node from the doubly linked list it's a part of.
+void list_remove(ListNode *node);
+// Insert ListNode node after ListNode after in a doubly linked list.
+void list_insert_after(ListNode *node, ListNode *after);
+// Insert ListNode node before ListNode before in a doubly linked list.
+void list_insert_before(ListNode *node, ListNode *before);
+
+#define list_for_each(ptr, head, member)                                \
+	for ((ptr) = container_of((head).next, typeof(*(ptr)), member); \
+		&((ptr)->member);                                       \
+		(ptr) = container_of((ptr)->member.next,                \
+			typeof(*(ptr)), member))
+
+#endif /* __BASE_LIST_H__ */