diff -drupN a/scripts/dtc/libfdt/Makefile.libfdt b/scripts/dtc/libfdt/Makefile.libfdt
--- a/scripts/dtc/libfdt/Makefile.libfdt	2018-08-06 17:23:04.000000000 +0300
+++ b/scripts/dtc/libfdt/Makefile.libfdt	2022-06-12 05:28:14.000000000 +0300
@@ -7,5 +7,5 @@ LIBFDT_soname = libfdt.$(SHAREDLIB_EXT).
 LIBFDT_INCLUDES = fdt.h libfdt.h libfdt_env.h
 LIBFDT_VERSION = version.lds
 LIBFDT_SRCS = fdt.c fdt_ro.c fdt_wip.c fdt_sw.c fdt_rw.c fdt_strerror.c fdt_empty_tree.c \
-	fdt_addresses.c
+	fdt_addresses.c fdt_overlay.c
 LIBFDT_OBJS = $(LIBFDT_SRCS:%.c=%.o)