Add OpenWRT ubus patch

Originally written by John Crispin <john@phrozen.org>
diff --git a/bld/Android.mk b/bld/Android.mk
index 55e102e..080a615 100644
--- a/bld/Android.mk
+++ b/bld/Android.mk
@@ -11,7 +11,7 @@
 		    radv.c slaac.c auth.c ipset.c domain.c \
 	            dnssec.c dnssec-openssl.c blockdata.c tables.c \
 		    loop.c inotify.c poll.c rrfilter.c edns0.c arp.c \
-		    crypto.c dump.c
+		    crypto.c dump.c ubus.c
 
 LOCAL_MODULE := dnsmasq