[][MAC80211][hnat][Move Netfilter Netlink Ftnl package to feed]

[Description]
Refactor Netfilter Netlink Ftnl patch.

If without this patch, this package might not be applied on the RDKB.

[Release-log]
N/A


Change-Id: Iefdfdea1e4480ac5fe9195b0f8b1b52706b76b05
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7217027
diff --git a/feed/flowtable/src/Makefile b/feed/flowtable/src/Makefile
new file mode 100644
index 0000000..3f450ad
--- /dev/null
+++ b/feed/flowtable/src/Makefile
@@ -0,0 +1,9 @@
+EXEC = ftnl
+SRC = api.c ftnl.c
+
+all:$(EXEC)
+$(EXEC):$(SRC)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(SRC) $(LDLIBS) $(LIBS)
+
+clean:
+	-rm -f $(EXEC) *.elf *.gdb *.o