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/applications/science/geometry/tetgen/1.4.nix

@@ -0,0 +1,23 @@
+{ lib, stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  pname = "tetgen";
+  version = "1.4.3";
+
+  src = fetchurl {
+    url = "${meta.homepage}/files/tetgen${version}.tar.gz";
+    sha256 = "0d70vjqdapmy1ghlsxjlvl5z9yp310zw697bapc4zxmp0sxi29wm";
+  };
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp tetgen $out/bin
+  '';
+
+  meta = {
+    description = "Quality Tetrahedral Mesh Generator and 3D Delaunay Triangulator";
+    homepage = "http://tetgen.org/";
+    license = lib.licenses.mit;
+    platforms = lib.platforms.linux;
+  };
+}