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/games/anki/no-version-check.patch

@@ -0,0 +1,13 @@
+diff -Nurp anki-2.0.33.orig/aqt/main.py anki-2.0.33/aqt/main.py
+--- anki-2.0.33.orig/aqt/main.py	2016-01-05 21:37:53.904533750 +0100
++++ anki-2.0.33/aqt/main.py	2016-01-05 21:39:11.469175976 +0100
+@@ -820,6 +820,9 @@ title="%s">%s</button>''' % (
+     ##########################################################################
+ 
+     def setupAutoUpdate(self):
++        # Don't check for latest version since the versions are
++        # managed in Nixpkgs.
++        return
+         import aqt.update
+         self.autoUpdate = aqt.update.LatestVersionFinder(self)
+         self.connect(self.autoUpdate, SIGNAL("newVerAvail"), self.newVerAvail)