libfdt: Add new headers and defines
The libfdt overlay support introduces a bunch of new includes and
functions.
Make sure we are able to build it by adding the needed glue.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/include/libfdt_env.h b/include/libfdt_env.h
index 273b5d3..6c6845f 100644
--- a/include/libfdt_env.h
+++ b/include/libfdt_env.h
@@ -23,6 +23,12 @@
#define fdt64_to_cpu(x) be64_to_cpu(x)
#define cpu_to_fdt64(x) cpu_to_be64(x)
+#ifdef __UBOOT__
+#include <vsprintf.h>
+
+#define strtoul(cp, endp, base) simple_strtoul(cp, endp, base)
+#endif
+
/* adding a ramdisk needs 0x44 bytes in version 2008.10 */
#define FDT_RAMDISK_OVERHEAD 0x80