IMAGE_TYPE=$(word 1,$(subst ., ,$(2))) \
IMAGE_PREFIX="$(IMAGE_PREFIX)" \
DEVICE_TITLE="$(DEVICE_TITLE)" \
+ DEVICE_PACKAGES="$(DEVICE_PACKAGES)" \
TARGET="$(BOARD)" \
SUBTARGET="$(if $(SUBTARGET),$(SUBTARGET),generic)" \
VERSION_NUMBER="$(VERSION_NUMBER)" \