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/cataclysm-dda/default.nix

@@ -0,0 +1,43 @@
+{ newScope, darwin }:
+
+let
+  callPackage = newScope self;
+
+  stable = rec {
+    tiles = callPackage ./stable.nix {
+      inherit (darwin.apple_sdk.frameworks) CoreFoundation Cocoa;
+    };
+
+    curses = tiles.override { tiles = false; };
+  };
+
+  git = rec {
+    tiles = callPackage ./git.nix {
+      inherit (darwin.apple_sdk.frameworks) CoreFoundation Cocoa;
+    };
+
+    curses = tiles.override { tiles = false; };
+  };
+
+  lib = callPackage ./lib.nix {};
+
+  pkgs = callPackage ./pkgs {};
+
+  self = {
+    inherit
+    callPackage
+    stable
+    git;
+
+    inherit (lib)
+    buildMod
+    buildSoundPack
+    buildTileSet
+    wrapCDDA
+    attachPkgs;
+
+    inherit pkgs;
+  };
+in
+
+self