--- zzzz-none-000/linux-3.10.107/scripts/Makefile.lib	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/scripts/Makefile.lib	2021-11-10 11:53:56.000000000 +0000
@@ -152,6 +152,8 @@
 dtc_cpp_flags  = -Wp,-MD,$(depfile).pre.tmp -nostdinc                    \
 		 -I$(srctree)/arch/$(SRCARCH)/boot/dts                   \
 		 -I$(srctree)/arch/$(SRCARCH)/boot/dts/include           \
+		 $(addprefix -I$(srctree)/,$(DTC_EXTRA_INCLUDE_PATH))    \
+		 $(DTC_EXTRA_CPP_FLAGS)                                  \
 		 -undef -D__DTS__
 
 # Finds the multi-part object the current object will be linked into