-B WNDR3700 -v OpenWrt.$(REVISION) \
-i $(call imgname,$(1),$(2))-sysupgrade.bin \
-o $(call imgname,$(1),$(2))-factory.img
+ $(STAGING_DIR_HOST)/bin/mkdniimg \
+ -B WNDR3700 -v OpenWrt.$(REVISION) -r "NA" \
+ -i $(call imgname,$(1),$(2))-sysupgrade.bin \
+ -o $(call imgname,$(1),$(2))-factory-NA.img
endef
define Image/Build/WNDR3700/initramfs