define Build/netgear-dni
$(STAGING_DIR_HOST)/bin/mkdniimg \
- -B $(NETGEAR_BOARD_ID) -v $(VERSION_DIST).$(REVISION) \
+ -B $(NETGEAR_BOARD_ID) -v $(VERSION_DIST).$(firstword $(subst -, ,$(REVISION))) \
$(if $(NETGEAR_HW_ID),-H $(NETGEAR_HW_ID)) \
-r "$(1)" \
-i $@ -o $@.new