update makefile to include generatehex
update makefile to include generatehex


crystalline/openc2e,ccdevnet/openc2e,bdonlan/openc2e,bdonlan/openc2e,crystalline/openc2e,ccdevnet/openc2e,bdonlan/openc2e,ccdevnet/openc2e,crystalline/openc2e,ccdevnet/openc2e,crystalline/openc2e,ccdevnet/openc2e,ccdevnet/openc2e,bdonlan/openc2e,crystalline/openc2e