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/graphics/deskew/default.nix

@@ -0,0 +1,39 @@
+{ lib, stdenv, fetchFromGitHub, libtiff, fpc }:
+
+stdenv.mkDerivation rec {
+
+  pname = "deskew";
+  version = "1.30";
+
+  src = fetchFromGitHub {
+    owner = "galfar";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-xghVOEMkQ/mXpOzJqMaT3SII7xneMNoFqRlqjtzmDnA=";
+  };
+
+  nativeBuildInputs = [ fpc ];
+  buildInputs = [ libtiff ];
+
+  buildPhase = ''
+    runHook preBuild
+    patchShebangs ./Scripts
+    pushd Scripts && ./compile.sh && popd
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    install -Dt $out/bin Bin/deskew
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "A command line tool for deskewing scanned text documents";
+    homepage = "https://galfar.vevb.net/deskew";
+    license = with licenses; [ mit mpl11 ];
+    maintainers = with maintainers; [ryantm];
+    platforms = platforms.all;
+  };
+
+}