uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/libraries/avahi/no-mkdir-localstatedir.patch

@@ -0,0 +1,12 @@
+Don't "mkdir $(localstatedir)" since we can't do it (/var).
+
+--- a/avahi-daemon/Makefile.in
++++ b/avahi-daemon/Makefile.in
+@@ -1625,7 +1625,6 @@ xmllint:
+ 	done
+ 
+ install-data-local:
+-	test -z "$(avahi_runtime_dir)" || $(MKDIR_P) "$(DESTDIR)$(avahi_runtime_dir)"
+ 
+ update-systemd:
+ 	curl http://cgit.freedesktop.org/systemd/plain/src/sd-daemon.c > sd-daemon.c