make: Create a very simple install target.

host/Makefile

@@ -8,6 +8,11 @@ simtrace: main.o usb_helper.o usb.o apdu_split.o
 %.o: %.c
 	$(CC) $(CFLAGS) `pkg-config --cflags libosmocore` -o $@ -c $^
 
+install: simtrace
+	install -d $(DESTDIR)/usr/bin/
+	install -m 0755 simtrace $(DESTDIR)/usr/bin/
+.PHONY: install
+
 
 clean:
 	@rm -f simtrace *.o