[new uImage] Add libfdt support to mkimage

Signed-off-by: Bartlomiej Sieka <tur@semihalf.com>
diff --git a/libfdt/fdt.c b/libfdt/fdt.c
index 586a361..071470d 100644
--- a/libfdt/fdt.c
+++ b/libfdt/fdt.c
@@ -50,8 +50,12 @@
  */
 #include "libfdt_env.h"
 
+#ifndef USE_HOSTCC
 #include <fdt.h>
 #include <libfdt.h>
+#else
+#include "fdt_host.h"
+#endif
 
 #include "libfdt_internal.h"