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/tools/misc/pdf-parser/default.nix

@@ -0,0 +1,34 @@
+{ lib, python3Packages, fetchzip }:
+
+python3Packages.buildPythonApplication {
+  pname = "pdf-parser";
+  version = "0.7.4";
+
+  src = fetchzip {
+    url = "https://didierstevens.com/files/software/pdf-parser_V0_7_4.zip";
+    sha256 = "1j39yww2yl4cav8xgd4zfl5jchbbkvffnrynkamkzvz9dd5np2mh";
+  };
+
+  format = "other";
+
+  installPhase = ''
+    install -Dm555 pdf-parser.py $out/bin/pdf-parser.py
+  '';
+
+  preFixup = ''
+    substituteInPlace $out/bin/pdf-parser.py \
+      --replace '/usr/bin/python' '${python3Packages.python}/bin/python'
+  '';
+
+  meta = with lib; {
+    description = "Parse a PDF document";
+    longDescription = ''
+      This tool will parse a PDF document to identify the fundamental elements used in the analyzed file.
+      It will not render a PDF document.
+    '';
+    homepage = "https://blog.didierstevens.com/programs/pdf-tools/";
+    license = licenses.publicDomain;
+    maintainers = [ maintainers.lightdiscord ];
+    platforms = platforms.all;
+  };
+}