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/proj-datumgrid/default.nix

@@ -0,0 +1,33 @@
+{ lib, stdenv, fetchFromGitHub }:
+
+stdenv.mkDerivation rec {
+  pname = "proj-datumgrid";
+  version = "world-1.0";
+
+  src = fetchFromGitHub {
+    owner = "OSGeo";
+    repo = "proj-datumgrid";
+    rev = version;
+    sha256 = "132wp77fszx33wann0fjkmi1isxvsb0v9iw0gd9sxapa9h6hf3am";
+  };
+
+  sourceRoot = "source/scripts";
+
+  buildPhase = ''
+    $CC nad2bin.c -o nad2bin
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp nad2bin $out/bin/
+  '';
+
+  meta = with lib; {
+    description = "Repository for proj datum grids";
+    homepage = "https://proj4.org";
+    license = licenses.mit;
+    maintainers = with maintainers; [ ];
+    mainProgram = "nad2bin";
+    platforms = platforms.linux ++ platforms.darwin;
+  };
+}