litecross: create $(TARGET)-cc symlink for installed compiler

in case the user does not want to write the 'g' when invoking 'gcc'.

litecross/Makefile

@@ -154,6 +154,7 @@ install-musl: | obj_musl/.lc_built
 
 install-toolchain: | obj_toolchain/.lc_built
 	cd obj_toolchain && $(MAKE) MAKE="$(MAKE)" LC_ROOT=$(PWD) DESTDIR=$(DESTDIR)$(OUTPUT) install
+	ln -sf $(TARGET)-gcc $(DESTDIR)$(OUTPUT)/bin/$(TARGET)-cc
 
 endif