update makefile

Author: Lore0599

Makefile

@@ -63,4 +63,5 @@ help:
 	@echo -e ""
 	@echo -e "Software:"
 	@echo -e "${Green}chim-sw             ${Black}Compile all software tests"
+	@echo -e "${Green}chimera-addrmap     ${Black}Regenerate c-header for SoC address map"
 	@echo -e ""