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/pdfcpu/default.nix

@@ -0,0 +1,33 @@
+{ lib, buildGoModule, fetchFromGitHub }:
+
+buildGoModule rec {
+  pname = "pdfcpu";
+  version = "0.3.13";
+
+  src = fetchFromGitHub {
+    owner = "pdfcpu";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-CFKo8YEAXAniX+jL2A0naJUOn3KAWwcrPsabdiZevhI=";
+  };
+
+  vendorSha256 = "sha256-3y42rbhurGhCI9PuSayxmLem0tv/nTjBwYxF3Dk6/yM=";
+
+  # No tests
+  doCheck = false;
+  doInstallCheck = true;
+  installCheckPhase = ''
+    export HOME=$(mktemp -d)
+    echo checking the version print of pdfcpu
+    $out/bin/pdfcpu version | grep ${version}
+  '';
+
+  subPackages = [ "cmd/pdfcpu" ];
+
+  meta = with lib; {
+    description = "A PDF processor written in Go";
+    homepage = "https://pdfcpu.io";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ doronbehar ];
+  };
+}