--- linux-4.1/scripts/dtc/Makefile
+++ linux-4.1/scripts/dtc/Makefile
@@ -9,7 +9,7 @@
 
 # Source files need to get at the userspace version of libfdt_env.h to compile
 
-HOSTCFLAGS_DTC := -I$(src) -I$(src)/libfdt
+HOSTCFLAGS_DTC := -I$(src) -I$(src)/libfdt -fcommon
 
 HOSTCFLAGS_checks.o := $(HOSTCFLAGS_DTC)
 HOSTCFLAGS_data.o := $(HOSTCFLAGS_DTC)